Common Issues with the Jaguar XJ & Solutions

By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on March 29, 2024
1. Common Issues with Jaguar XJ
1.1. Issues with XJ Series 1 (1968-1973)
1.2. Issues with XJ Series 2 (1973-1979)
1.3. Issues with XJ Series 3 (1979-1992)
2. Specific Issues with Jaguar XJ Models
2.1. Issues with XJ40 (1986-1994)
2.2. Issues with X300 (1994-1997)
2.3. Issues with X308 (1997-2003)
3. Common Problems with Jaguar XJ Engines
3.1. Problems with AJ6 Engine
3.2. Problems with AJ-V8 Engine
3.3. Problems with AJD-V6 Engine
4. Common Problems with Jaguar XJ Features
4.1. Problems with Air Suspension
4.2. Problems with Infotainment System
4.3. Problems with Adaptive Cruise Control
5. Common Maintenance Needs for Jaguar XJ
5.1. Regular Oil Changes
5.2. Brake and Rotor Replacement
5.3. Suspension and Steering Maintenance
6. Tips for Preventing Issues with Jaguar XJ
6.1. Regular Maintenance and Inspections
6.2. Use Quality Parts and Fluids
6.3. Drive Responsibly
7. Conclusion
Jaguar XJ Issues: Frequently Asked Questions
Example List of Jaguar XJ Engine Error Codes and Descriptions

1. Common Issues with Jaguar XJ

1.1. Issues with XJ Series 1 (1968-1973)

The Jaguar XJ Series 1, which was produced from 1968 to 1973, is a classic car that is highly sought after by enthusiasts. However, like many classic cars, the XJ Series 1 has its fair share of issues. Here are some common issues with the XJ Series 1:

- Rust: The XJ Series 1 is notorious for rust issues, particularly in the floor pans, wheel arches, and sills. Rust can lead to structural damage and compromise the safety of the vehicle.

- Electrical Issues: The XJ Series 1 has a complex electrical system that can be prone to issues such as faulty wiring and failing switches. These issues can result in a variety of problems, including non-functioning headlights, dash lights, and other electrical components.

- Cooling System Issues: The XJ Series 1 has a tendency to overheat due to problems with the cooling system. Common issues include leaking hoses, clogged radiators, and faulty water pumps.

- Transmission Problems: The XJ Series 1 is equipped with a Borg-Warner 3-speed automatic transmission, which can be prone to slipping and other issues. Additionally, the transmission fluid can become contaminated over time, leading to further problems.

- Fuel System Problems: The XJ Series 1's fuel system can be prone to issues such as clogged fuel filters, failing fuel pumps, and problems with the carburetor. These issues can cause the vehicle to run poorly or stall out completely.

Overall, the XJ Series 1 is a classic car that requires careful maintenance and attention to keep it running smoothly. Rust prevention, regular electrical system checks, cooling system maintenance, and fuel system inspections are all essential to ensure the longevity and reliability of the vehicle.

1.2. Issues with XJ Series 2 (1973-1979)

The Jaguar XJ Series 2, which was produced from 1973 to 1979, is a popular luxury car that is known for its sleek design and high performance. However, like many cars from this era, the XJ Series 2 has its fair share of issues. Here are some common issues with the XJ Series 2:

- Rust: Just like the XJ Series 1, the XJ Series 2 is prone to rust, particularly in the floor pans, sills, and wheel arches. Rust can lead to structural damage and safety issues.

- Electrical Issues: The XJ Series 2 has a complex electrical system that can be prone to issues such as faulty wiring and failing switches. Common electrical issues include non-functioning headlights, dash lights, and other electrical components.

- Cooling System Problems: The XJ Series 2 can suffer from cooling system problems, particularly issues with the radiator and water pump. Leaking hoses and faulty thermostats can also cause overheating.

- Transmission Issues: The XJ Series 2 is equipped with a Borg-Warner 3-speed automatic transmission, which can be prone to slipping and other issues. Additionally, the transmission fluid can become contaminated over time, leading to further problems.

- Suspension and Steering Problems: The XJ Series 2's suspension and steering system can be prone to issues such as worn ball joints, failing shocks, and problems with the power steering.

- Brake Problems: The XJ Series 2's braking system can be prone to issues such as worn brake pads, sticking calipers, and problems with the brake master cylinder.

Overall, the XJ Series 2 is a high-performance luxury car that requires regular maintenance and attention to keep it running smoothly. Rust prevention, electrical system checks, cooling system maintenance, transmission inspections, suspension and steering checks, and brake inspections are all essential to ensure the longevity and reliability of the vehicle.

1.3. Issues with XJ Series 3 (1979-1992)

The Jaguar XJ Series 3 was produced from 1979 to 1992 and is a well-regarded luxury car that offers a smooth ride and excellent handling. However, there are some common issues that owners of XJ Series 3 vehicles should be aware of:

- Electrical Issues: Like the XJ Series 2, the XJ Series 3 has a complex electrical system that can be prone to issues. Some common electrical issues include faulty wiring, non-functioning dashboard lights, and other electrical component failures.

- Cooling System Problems: The XJ Series 3 can suffer from cooling system problems, such as leaks in the radiator or water pump, as well as overheating due to a failing thermostat.

- Transmission Issues: The XJ Series 3 comes equipped with an automatic transmission that can experience slipping, failure to shift, and other issues. Contaminated transmission fluid can exacerbate these issues.

- Rust: Rust can be a problem in XJ Series 3 vehicles, particularly in the floor pans and sills. Regular rust prevention and maintenance are necessary to avoid serious structural damage.

- Braking System Problems: The XJ Series 3's braking system can experience issues such as sticking calipers, worn brake pads, and problems with the brake master cylinder.

- Suspension and Steering Issues: The suspension and steering system of the XJ Series 3 can experience problems, such as worn ball joints, failing shocks, and problems with the power steering.

- Engine Issues: The XJ Series 3 is known for having engine problems, such as oil leaks, worn timing chains, and issues with the fuel injection system.

In order to maintain the longevity and reliability of the XJ Series 3, regular maintenance and attention to these common issues are essential. Regular inspections of the electrical system, cooling system, transmission, brakes, suspension, steering, and engine are all necessary to keep the vehicle running smoothly. Additionally, rust prevention and maintenance are important to avoid serious structural damage. With proper care, an XJ Series 3 can provide many years of driving pleasure.

2. Specific Issues with Jaguar XJ Models

2.1. Issues with XJ40 (1986-1994)

The XJ40, produced from 1986 to 1994, was a radical departure from Jaguar's traditional styling and engineering practices. While the XJ40 was a bold new direction for the brand, it had its fair share of issues. Here are some of the specific issues that XJ40 owners should be aware of:

- Electronic Control Unit (ECU) Issues: The XJ40 was one of the first Jaguars to use an electronic control unit for engine management, and these early ECUs can be prone to failure. Symptoms of a failing ECU can include rough idle, misfires, and hesitation.

- Fuel System Problems: The XJ40's fuel system can suffer from a number of problems, including a faulty fuel pump, clogged fuel injectors, and a failing fuel pressure regulator. These issues can cause a range of symptoms, from poor performance to difficulty starting.

- Transmission Issues: The XJ40 was fitted with a ZF 4-speed automatic transmission that can suffer from problems such as slipping, delayed shifts, and failure to engage gears. Regular maintenance, including fluid changes, can help to prolong the life of the transmission.

- Suspension and Steering Problems: The XJ40's suspension and steering system can experience problems such as worn ball joints, failing shocks, and issues with the power steering. These issues can cause a range of symptoms, from a bumpy ride to difficulty steering.

- Electrical System Issues: The XJ40's electrical system can be complex and prone to issues. Common electrical issues include non-functioning dashboard lights, faulty wiring, and problems with the starter motor.

- Cooling System Problems: The XJ40's cooling system can suffer from leaks in the radiator or water pump, as well as overheating due to a failing thermostat. Regular maintenance, including regular coolant changes, can help to prevent these issues.

- Rust: As with other Jaguar models, rust can be a problem in XJ40 vehicles, particularly in the floor pans and sills. Regular rust prevention and maintenance are necessary to avoid serious structural damage.

Overall, the XJ40 had a number of issues that were common for the time, but with proper maintenance, many of these issues can be avoided. Regular inspections of the electronic system, fuel system, transmission, suspension, steering, electrical system, cooling system, and body are all necessary to keep the vehicle running smoothly. By addressing these common issues and taking care of the car, XJ40 owners can enjoy the unique styling and engineering of this iconic Jaguar model.

2.2. Issues with X300 (1994-1997)

The X300, produced from 1994 to 1997, was a significant update to the XJ series and marked a return to a more traditional styling for Jaguar. However, like many models, it had its own set of specific issues that owners should be aware of:

- Timing Chain Tensioners: The X300 was equipped with a 6-cylinder engine that used a hydraulic timing chain tensioner that can fail, causing a range of issues, including engine noise and poor performance. If left unchecked, this can lead to serious engine damage.

- Transmission Problems: The X300 was fitted with a ZF 4-speed automatic transmission that can suffer from a range of issues, including slipping, harsh shifts, and even complete failure. Regular maintenance, including fluid changes, can help prolong the life of the transmission.

- Electrical Issues: The X300's electrical system can be complex and prone to problems, including issues with the alternator, battery, and power windows. Additionally, the X300 can suffer from a range of warning lights on the dashboard, including the Check Engine Light and the ABS warning light.

- Suspension Problems: The X300's suspension system can experience issues, including worn ball joints and bushings, as well as leaking shocks. These issues can lead to a bumpy ride and reduced handling.

- Cooling System Problems: The X300's cooling system can suffer from issues such as leaks in the radiator or water pump, as well as overheating due to a failing thermostat. Regular maintenance, including regular coolant changes, can help to prevent these issues.

- Rust: As with other Jaguar models, rust can be a problem in X300 vehicles, particularly in the floor pans and sills. Regular rust prevention and maintenance are necessary to avoid serious structural damage.

Overall, while the X300 had its own set of specific issues, many of these can be addressed with regular maintenance and inspections. It's important for owners to stay on top of potential problems, such as issues with the timing chain tensioners and transmission, and address them as soon as possible. By taking care of the electrical system, suspension, cooling system, and body, X300 owners can enjoy the unique styling and performance of this classic Jaguar model.

2.3. Issues with X308 (1997-2003)

The X308, produced from 1997 to 2003, was an updated version of the X300 and boasted a range of improvements over its predecessor. However, it still had its own set of specific issues that owners should be aware of:

- Timing Chain Tensioners: Like the X300, the X308 was equipped with a 6-cylinder engine that used a hydraulic timing chain tensioner that can fail, causing a range of issues, including engine noise and poor performance. Regular maintenance and inspection are necessary to prevent serious engine damage.

- Transmission Problems: The X308 was fitted with a 5-speed automatic transmission that can suffer from a range of issues, including slipping, harsh shifts, and even complete failure. Regular maintenance, including fluid changes, can help prolong the life of the transmission.

- Electrical Issues: The X308's electrical system can be complex and prone to problems, including issues with the alternator, battery, and power windows. Additionally, the X308 can suffer from a range of warning lights on the dashboard, including the Check Engine Light and the ABS warning light.

- Suspension Problems: The X308's suspension system can experience issues, including worn ball joints and bushings, as well as leaking shocks. These issues can lead to a bumpy ride and reduced handling.

- Cooling System Problems: The X308's cooling system can suffer from issues such as leaks in the radiator or water pump, as well as overheating due to a failing thermostat. Regular maintenance, including regular coolant changes, can help to prevent these issues.

- Rust: As with other Jaguar models, rust can be a problem in X308 vehicles, particularly in the floor pans and sills. Regular rust prevention and maintenance are necessary to avoid serious structural damage.

Overall, the X308 had its own set of specific issues, but many of these can be addressed with regular maintenance and inspections. Owners should be particularly vigilant about issues with the timing chain tensioners and transmission, and address them as soon as possible. Taking care of the electrical system, suspension, cooling system, and body can help ensure the longevity of this classic Jaguar model.

3. Common Problems with Jaguar XJ Engines

3.1. Problems with AJ6 Engine

The Jaguar XJ has a reputation for being a reliable luxury car, but like any vehicle, it is not immune to problems. One of the most common issues with the XJ is with its AJ6 engine, which was used in various models from the late 1980s to the mid-1990s. Here are some of the common problems associated with this engine:

1. Coolant leaks: One of the most frequent problems with the AJ6 engine is coolant leaks. These leaks can occur due to a variety of reasons, including a faulty head gasket, a damaged radiator, or a damaged water pump. A coolant leak can lead to overheating of the engine, which can cause significant damage if not addressed promptly.

2. Oil leaks: Another common problem with the AJ6 engine is oil leaks. These leaks can be caused by a variety of factors, including a damaged or worn oil seal or a damaged oil pan. An oil leak can lead to a loss of engine oil, which can cause the engine to seize up and fail.

3. Timing chain tensioner failure: The AJ6 engine uses a timing chain tensioner to keep the timing chain in place. However, these tensioners are prone to failure, which can cause the timing chain to slip or break. A broken timing chain can cause significant damage to the engine, and in some cases, the engine may need to be replaced.

4. Electrical problems: The AJ6 engine relies on a variety of electrical components, including sensors and solenoids, to function properly. However, these components are prone to failure, which can cause a variety of problems, including rough running, poor fuel economy, and engine misfires.

5. Fuel injection problems: Another common issue with the AJ6 engine is with its fuel injection system. The fuel injectors can become clogged or damaged, which can cause poor engine performance, reduced fuel economy, and engine misfires.

To avoid these common problems with the AJ6 engine, it is essential to have your Jaguar XJ serviced regularly by a qualified mechanic. Regular maintenance, including oil changes, coolant flushes, and timing chain inspections, can help prevent these issues from occurring. Additionally, if you notice any unusual sounds or smells coming from your engine, it is essential to have it inspected promptly to identify and address any potential problems.

3.2. Problems with AJ-V8 Engine

The AJ-V8 engine was first introduced in the Jaguar XJ model in 1996 and continued to be used in various Jaguar models until 2014. While it was a significant improvement over its predecessor, the AJ6 engine, it was not without its issues. Some of the common problems with the AJ-V8 engine in the Jaguar XJ include:

1. Timing Chain Tensioner Failure: One of the most common issues with the AJ-V8 engine is the failure of the timing chain tensioner. The tensioner is responsible for maintaining proper tension on the timing chain, which controls the timing of the engine's valves. When the tensioner fails, the timing chain can become loose, causing engine damage and potentially catastrophic failure. It's important to have the tensioner replaced as soon as any warning signs appear, such as engine noise or decreased performance.

2. Coolant System Problems: The AJ-V8 engine is also known for experiencing coolant system problems, which can result in overheating and engine damage. This is often caused by a failure of the coolant pump, which can lead to a loss of coolant circulation. Additionally, the plastic coolant expansion tank can become brittle and crack over time, leading to leaks and a loss of coolant.

3. Oil Leaks: Another common issue with the AJ-V8 engine is oil leaks. These can occur at various points throughout the engine, including the valve covers, oil pan, and rear main seal. While they may seem minor at first, oil leaks can lead to decreased engine performance and even engine failure if left untreated.

4. Carbon Buildup: The AJ-V8 engine is also prone to carbon buildup, which can lead to decreased engine performance and efficiency. This buildup can occur in the engine's intake and exhaust valves, leading to decreased airflow and increased engine strain.

5. Throttle Body Failure: Finally, the electronic throttle body in the AJ-V8 engine has been known to fail, resulting in a loss of power and potentially dangerous driving conditions. This can be caused by a variety of issues, including faulty wiring or a malfunctioning motor.

Overall, while the AJ-V8 engine is generally reliable, it's important to be aware of these common issues and to have them addressed as soon as possible to ensure the continued performance and longevity of your Jaguar XJ. Regular maintenance and prompt attention to any warning signs can go a long way in preventing costly repairs down the line.

3.3. Problems with AJD-V6 Engine

The AJD-V6 engine, also known as the "Lion" engine, was developed jointly by Jaguar and PSA Peugeot Citroen. This diesel engine was introduced in the Jaguar XJ in 2005 and was available in various models until 2019.

One of the most common issues with the AJD-V6 engine is related to the diesel particulate filter (DPF). The DPF can become clogged over time, causing a reduction in engine power and potentially triggering warning lights on the dashboard. Regularly cleaning or replacing the DPF can help to prevent this issue from occurring.

Another common issue with the AJD-V6 engine is related to the fuel injectors. Over time, the fuel injectors can become clogged or fail, causing misfires and rough running. This can be caused by a number of factors, including poor fuel quality and lack of regular maintenance. Regularly cleaning or replacing the fuel injectors can help to prevent this issue from occurring.

In addition to the DPF and fuel injector issues, some owners of Jaguar XJ models with the AJD-V6 engine have reported problems with the timing chain. The timing chain can stretch over time, causing engine noise and potentially leading to engine damage. Regularly inspecting and replacing the timing chain can help to prevent this issue from occurring.

Overall, while the AJD-V6 engine is generally reliable and offers good fuel economy, it is important for Jaguar XJ owners to be aware of these common issues and to take steps to prevent or address them in a timely manner to ensure the longevity of their vehicle.

4. Common Problems with Jaguar XJ Features

4.1. Problems with Air Suspension

One of the key features of the Jaguar XJ is its air suspension system, which offers a comfortable ride and adjustable ride height. However, this system is not without its problems. Here are some common issues with air suspension in Jaguar XJ:

1. Air Leaks: One of the most common problems with air suspension is air leaks. This can be caused by a variety of factors such as a damaged airbag, a loose connection or a faulty valve block. When this occurs, the vehicle may sag on one side or ride rougher than normal.

2. Compressor Failure: The air suspension system relies on a compressor to pump air into the airbags. Over time, the compressor may fail due to worn components, overheating or electrical faults. When the compressor fails, the air suspension system will not function properly and the ride height may be affected.

3. Faulty Sensors: The air suspension system uses sensors to monitor the ride height and adjust the air pressure in the airbags accordingly. If these sensors fail, the system may not work properly and the vehicle may ride too high or too low.

4. Control Module Failure: The control module is the brain of the air suspension system, responsible for processing data from sensors and controlling the compressor and valves. If this module fails, the air suspension system may not function properly or at all.

5. Corrosion: The air suspension system is susceptible to corrosion due to exposure to moisture and road salt. Corrosion can damage air lines and components, causing leaks and other problems.

If you experience any of these issues with your Jaguar XJ's air suspension, it is important to have the system inspected and repaired by a qualified mechanic. Regular maintenance and inspection can help prevent many of these issues and ensure that your air suspension system continues to function properly.

4.2. Problems with Infotainment System

The infotainment system in Jaguar XJ models can also be a source of issues for some drivers. One common problem with the infotainment system is a frozen or unresponsive touchscreen. This can be frustrating for drivers who rely on the touchscreen to access various features and settings.

Another issue with the infotainment system is the Bluetooth connectivity, which can sometimes fail to connect to a phone or other device. This can make it difficult for drivers to make hands-free calls or stream music from their devices.

Additionally, some drivers have reported issues with the navigation system, including inaccurate directions and slow response times. This can be particularly problematic for drivers who rely on the navigation system to get to their destination.

One potential solution to these issues is to perform a software update on the infotainment system, which may help to address bugs or glitches that could be causing the problems. In some cases, a hard reset of the system may also be necessary to resolve issues with frozen or unresponsive touchscreens.

Overall, while the infotainment system in Jaguar XJ models can be a source of frustration for some drivers, there are solutions available to address these issues and restore functionality to the system.

4.3. Problems with Adaptive Cruise Control

The Jaguar XJ features Adaptive Cruise Control (ACC), which is designed to maintain a safe distance from the vehicle in front of the car. However, like any complex system, ACC can experience problems.

One common issue with ACC is the inability to maintain a consistent speed or distance. This can occur when the sensors responsible for detecting the distance between the vehicles become dirty or obstructed. In such cases, the system may display error messages or fail to engage altogether.

Another issue with ACC is related to the system's response time. ACC may not react quickly enough to sudden changes in traffic, such as when the vehicle in front abruptly slows down or swerves. In such cases, the driver must be vigilant and ready to take control of the car.

Furthermore, ACC may sometimes generate false readings, leading to unnecessary braking or acceleration. This can be caused by a variety of factors, including weather conditions, road surfaces, or even reflections from other vehicles.

Finally, ACC may also be affected by software bugs or glitches, leading to unexpected behavior or system failures. These issues can often be resolved through software updates or resets, but in some cases, they may require more extensive repairs.

Overall, while ACC can be a useful feature, it is important to remain aware of its limitations and potential issues. Regular maintenance and cleaning of the sensors can help prevent many common problems, but drivers should also be prepared to take control of the car in case of any unexpected issues with the system.

5. Common Maintenance Needs for Jaguar XJ

5.1. Regular Oil Changes

Regular oil changes are one of the most important maintenance needs for any vehicle, including the Jaguar XJ. The engine oil is responsible for lubricating the internal components of the engine, preventing wear and tear, and ensuring smooth operation. Over time, the oil in your Jaguar XJ can become dirty and lose its lubricating properties, potentially causing damage to the engine.

Jaguar recommends that XJ owners change their engine oil every 10,000 miles or once a year, whichever comes first. However, it is important to note that driving conditions can affect how often you need to change your oil. For example, if you frequently drive in stop-and-go traffic or in extreme weather conditions, your oil may need to be changed more frequently.

Failing to change your Jaguar XJ's oil on a regular basis can result in a range of problems, including decreased engine performance, increased fuel consumption, and even engine failure. It is important to follow the recommended oil change schedule and to use high-quality oil that meets Jaguar's specifications.

In addition to changing the oil, it is also important to regularly check the oil level and top it up as needed. Low oil levels can cause engine damage, so it is important to ensure that the oil level is always within the recommended range.

Overall, regular oil changes are a crucial part of maintaining the health and performance of your Jaguar XJ's engine. By staying on top of your vehicle's oil maintenance needs, you can ensure that your Jaguar continues to provide a smooth and enjoyable driving experience for years to come.

5.2. Brake and Rotor Replacement

As with any car, the brake system is an essential component of the Jaguar XJ. Over time, the brake pads and rotors can wear down and need to be replaced. Neglecting this maintenance need can lead to reduced stopping power, longer stopping distances, and even brake failure.

One common issue with the XJ's brake system is brake rotor warping. This can be caused by a variety of factors, including high temperatures, hard braking, and improper installation. Symptoms of warped rotors can include vibration or pulsation in the brake pedal when braking, or a shuddering sensation in the steering wheel when braking at higher speeds.

Brake pads can also wear down over time, resulting in reduced stopping power and longer stopping distances. It is important to regularly inspect the brake pads and replace them as needed. Some XJ owners have reported issues with premature brake wear, so it is especially important to stay on top of this maintenance need.

In addition to brake pad and rotor replacement, the brake fluid should also be regularly flushed and replaced to ensure optimal brake performance. Old brake fluid can become contaminated and lose its effectiveness, leading to reduced stopping power and increased risk of brake failure.

Overall, it is important to stay on top of brake and rotor maintenance for your Jaguar XJ to ensure safe and reliable performance on the road.

5.3. Suspension and Steering Maintenance

The Jaguar XJ is known for its smooth ride and agile handling, thanks in part to its sophisticated suspension and steering systems. However, like any vehicle, these systems require regular maintenance to ensure optimal performance and longevity.

One common maintenance need for the Jaguar XJ is suspension and steering maintenance. Over time, the suspension components, such as the shocks and struts, can wear out and lose their ability to absorb road bumps and vibrations. This can result in a rough ride and reduced handling. It's important to have the suspension system inspected regularly and have any worn or damaged components replaced as needed.

Similarly, the steering system components, such as the power steering pump and steering rack, can also wear out and cause issues with steering responsiveness and handling. Regular inspections can help identify any potential issues before they become major problems, and routine maintenance such as power steering fluid changes can help keep the steering system running smoothly.

In addition to regular inspections and maintenance, it's also important to address any suspension or steering issues promptly to prevent further damage and ensure safe driving. Common signs of suspension or steering issues include uneven tire wear, a bumpy or shaky ride, and difficulty turning the steering wheel.

By staying on top of suspension and steering maintenance needs for your Jaguar XJ, you can help ensure a smooth and comfortable ride with optimal handling and steering responsiveness.

6. Tips for Preventing Issues with Jaguar XJ

6.1. Regular Maintenance and Inspections

Regular maintenance and inspections are crucial for preventing issues with your Jaguar XJ. Here are some tips for keeping your car in good condition:

1. Follow the manufacturer's recommended maintenance schedule. This will include regular oil changes, filter replacements, and inspections of the brakes, tires, suspension, and other components.

2. Keep an eye on the warning lights and gauges. If any of them indicate a problem, take your car to a certified mechanic as soon as possible.

3. Check your tires regularly for signs of wear or damage. Replace them as needed to ensure optimal handling and safety.

4. Inspect your brakes regularly and replace the pads and rotors as needed. Failure to do so could result in decreased stopping power and even accidents.

5. Keep the suspension and steering components properly lubricated and maintained. This will ensure optimal handling and help prevent premature wear or failure.

6. Check your car's fluids regularly, including engine oil, coolant, and brake fluid. Make sure they are at the appropriate levels and replace them as needed.

7. Keep your car clean and waxed to protect the paint and prevent rust.

By following these tips and staying on top of regular maintenance and inspections, you can help prevent costly repairs and keep your Jaguar XJ running smoothly for years to come.

6.2. Use Quality Parts and Fluids

Using quality parts and fluids is an important step in preventing issues with your Jaguar XJ. Quality parts can ensure that your car runs smoothly and efficiently, while poor quality parts can cause additional wear and tear on your vehicle and potentially cause more serious issues down the line. Using OEM (original equipment manufacturer) parts, or high-quality aftermarket parts, can help ensure that your car stays in top condition.

Additionally, using the correct fluids and lubricants is essential for maintaining the health of your Jaguar XJ's engine and other systems. Using the wrong type of oil, coolant, or transmission fluid can cause damage to the engine and other components. Always refer to the owner's manual or consult with a qualified mechanic to determine the appropriate fluids and lubricants for your vehicle.

In some cases, using cheap or low-quality fluids and parts may seem like a cost-effective option in the short term, but it can ultimately end up costing you more in the long run. Investing in quality parts and fluids can help prevent issues with your Jaguar XJ and ensure that it runs smoothly for years to come.

6.3. Drive Responsibly

Jaguar XJ is a luxury vehicle that requires careful driving to ensure it performs optimally. One of the best ways to prevent issues with your Jaguar XJ is to drive responsibly. This means avoiding hard acceleration and heavy braking, which can place undue strain on the engine, brakes, and other mechanical components.

By driving responsibly, you can also reduce wear and tear on the tires and suspension, which can help extend the lifespan of these components. Additionally, it is important to avoid overloading the vehicle or towing heavy loads beyond its capacity.

Another aspect of driving responsibly is avoiding harsh road conditions or potholes, as they can cause damage to the wheels, suspension, and alignment. Regularly checking tire pressure and alignment can also help prevent uneven wear and extend tire life.

It is important to note that driving responsibly not only helps prevent issues with your Jaguar XJ but also ensures the safety of yourself and other road users. By following traffic rules and regulations and driving defensively, you can reduce the risk of accidents or collisions, which can cause significant damage to your vehicle and potentially harm passengers.

7. Conclusion

Jaguar XJ has been a popular luxury car choice for many car enthusiasts. While the car has been known for its style and performance, it has also had its fair share of issues. Common problems with the XJ models include issues with the XJ40 (1986-1994), X300 (1994-1997), and X308 (1997-2003). The AJ6, AJ-V8, and AJD-V6 engines have also been known to have common problems. Other common problems with the XJ include issues with the air suspension, infotainment system, and adaptive cruise control.

Regular maintenance and inspections can help prevent issues with the Jaguar XJ. It is important to keep up with regular oil changes, brake and rotor replacement, and suspension and steering maintenance. Using quality parts and fluids can also help prevent issues. It is also important to drive responsibly to avoid unnecessary wear and tear on the car.

Overall, while the Jaguar XJ has its issues, proper maintenance and responsible driving can help prevent many of these issues. It is important to stay on top of regular maintenance to ensure the car continues to run smoothly and perform at its best.

Example List of Jaguar XJ Engine Error Codes and Descriptions

Engine Code/NameEngine specs (l,fuel,hp)Part carError CodeDescription
AJ-V6D3.0L, Petrol, 275hpEngineP0171System too lean
AJ-V6D3.0L, Petrol, 275hpEngineP0300Random misfire detected
AJ-V6D3.0L, Petrol, 275hpEngineP0302Cylinder 2 misfire detected
AJ-V6D3.0L, Petrol, 275hpEngineP0304Cylinder 4 misfire detected
AJ-V6D3.0L, Petrol, 275hpEngineP0420Catalyst system efficiency below threshold
AJ-V6D3.0L, Petrol, 275hpEngineP0456EVAP system small leak detected
AJ-V6D3.0L, Petrol, 275hpEngineP0500Vehicle speed sensor malfunction
AJ-V6D3.0L, Petrol, 275hpEngineP0600Serial communication link malfunction
AJ-V6D3.0L, Petrol, 275hpEngineP0670Glow plug module control circuit malfunction
AJ-V6D3.0L, Petrol, 275hpEngineP2187System too lean at idle
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0011"A" Camshaft position - Timing over-advanced or system performance
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0014"B" Camshaft position - Timing over-advanced or system performance
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0171System too lean
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0300Random misfire detected
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0316Misfire detected on start-up
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0420Catalyst system efficiency below threshold
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0500Vehicle speed sensor malfunction
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0600Serial communication link malfunction
AJ133-SC5.0L, Supercharged V8, 470hpEngineP0606Control module performance
AJ133-SC5.0L, Supercharged V8, 470hpEngineP2197System too lean at idle (Bank 1)
AJ204D2.0L, Diesel, 177hpEngineP0101Mass air flow sensor performance
AJ204D2.0L, Diesel, 177hpEngineP0172System too rich
AJ204D2.0L, Diesel, 177hpEngineP0299Turbocharger/supercharger underboost
AJ204D2.0L, Diesel, 177hpEngineP0300Random misfire detected
AJ204D2.0L, Diesel, 177hpEngineP0302Cylinder 2 misfire detected
AJ204D2.0L, Diesel, 177hpEngineP0451EVAP control system pressure sensor range/performance
AJ204D2.0L, Diesel, 177hpEngineP0600Serial communication link malfunction
AJ204D2.0L, Diesel, 177hpEngineP0670Glow plug module control circuit malfunction
AJ204D2.0L, Diesel, 177hpEngineP1351Ignition coil control circuit
AJ204D2.0L, Diesel, 177hpEngineP2263Turbocharger boost system performance
AJ3063.0L, Gasoline, 340hpEngineP0101Mass air flow sensor performance
AJ3063.0L, Gasoline, 340hpEngineP0172System too rich
AJ3063.0L, Gasoline, 340hpEngineP0302Cylinder 2 misfire detected
AJ3063.0L, Gasoline, 340hpEngineP0304Cylinder 4 misfire detected
AJ3063.0L, Gasoline, 340hpEngineP0451EVAP control system pressure sensor range/performance
AJ3063.0L, Gasoline, 340hpEngineP0500Vehicle speed sensor malfunction
AJ3063.0L, Gasoline, 340hpEngineP0600Serial communication link malfunction
AJ3063.0L, Gasoline, 340hpEngineP0700Transmission control system malfunction
AJ3063.0L, Gasoline, 340hpEngineP1351Ignition coil control circuit
AJ3063.0L, Gasoline, 340hpEngineP2111Throttle actuator control system stuck open
AJ1335.0L, Gasoline, 470hpEngineP0101Mass air flow sensor performance
AJ1335.0L, Gasoline, 470hpEngineP0172System too rich
AJ1335.0L, Gasoline, 470hpEngineP0300Random misfire detected
AJ1335.0L, Gasoline, 470hpEngineP0304Cylinder 4 misfire detected
AJ1335.0L, Gasoline, 470hpEngineP0451EVAP control system pressure sensor range/performance
AJ1335.0L, Gasoline, 470hpEngineP0600Serial communication link malfunction
AJ1335.0L, Gasoline, 470hpEngineP0700Transmission control system malfunction
AJ1335.0L, Gasoline, 470hpEngineP1351Ignition coil control circuit
AJ1335.0L, Gasoline, 470hpEngineP2111Throttle actuator control system stuck open
AJ1335.0L, Gasoline, 470hpEngineP2138Throttle/pedal position sensor switch D/E voltage correlation
AJD-V63.0L, Diesel, 296hpEngineP0101Mass air flow sensor performance
AJD-V63.0L, Diesel, 296hpEngineP0172System too rich
AJD-V63.0L, Diesel, 296hpEngineP0234Turbocharger/supercharger overboost condition
AJD-V63.0L, Diesel, 296hpEngineP0299Boost pressure control positive deviation
AJD-V63.0L, Diesel, 296hpEngineP0451EVAP control system pressure sensor range/performance
AJD-V63.0L, Diesel, 296hpEngineP0600Serial communication link malfunction
AJD-V63.0L, Diesel, 296hpEngineP1351Ignition coil control circuit
AJD-V63.0L, Diesel, 296hpEngineP1691Fuel pressure sensor circuit malfunction
AJD-V63.0L, Diesel, 296hpEngineP20EESCR NOx catalyst efficiency below threshold
AJD-V63.0L, Diesel, 296hpEngineP2263Turbocharger/supercharger boost system performance
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP0101Mass air flow sensor performance
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP0172System too rich
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP0300Random misfire detected
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP0456EVAP system small leak detected
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP0600Serial communication link malfunction
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP1351Ignition coil control circuit
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP1572Engine RPM - high
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP2238Oxygen (A/F) sensor signal stuck rich bank 1 sensor 1
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP2177System too lean off idle
AJ-V6 S/C3.0L, Gasoline, 340hpEngineP2610Engine control module (ECM) internal engine off timer performance
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP0101Mass air flow sensor performance
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP0172System too rich
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP0300Random misfire detected
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP0456EVAP system small leak detected
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP0600Serial communication link malfunction
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP1351Ignition coil control circuit
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP1572Engine RPM - high
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP2238Oxygen (A/F) sensor signal stuck rich bank 1 sensor 1
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP2177System too lean off idle
AJ-V8 S/C5.0L, Gasoline, 470hpEngineP2610Engine control module (ECM) internal engine off timer performance
AJ-I4 TD2.0L, Diesel, 180hpEngineP0101Mass air flow sensor performance
AJ-I4 TD2.0L, Diesel, 180hpEngineP0172System too rich
AJ-I4 TD2.0L, Diesel, 180hpEngineP0300Random misfire detected
AJ-I4 TD2.0L, Diesel, 180hpEngineP0456EVAP system small leak detected
AJ-I4 TD2.0L, Diesel, 180hpEngineP0600Serial communication link malfunction
AJ-I4 TD2.0L, Diesel, 180hpEngineP1351Ignition coil control circuit
AJ-I4 TD2.0L, Diesel, 180hpEngineP1572Engine RPM - high
AJ-I4 TD2.0L, Diesel, 180hpEngineP2238Oxygen (A/F) sensor signal stuck rich bank 1 sensor 1
AJ-I4 TD2.0L, Diesel, 180hpEngineP2177System too lean off idle
AJ-I4 TD2.0L, Diesel, 180hpEngineP2610Engine control module (ECM) internal engine off timer performance
AJ-V6 TD3.0L, Diesel, 300hpEngineP0101Mass air flow sensor performance
AJ-V6 TD3.0L, Diesel, 300hpEngineP0172System too rich
AJ-V6 TD3.0L, Diesel, 300hpEngineP0300Random misfire detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0456EVAP system small leak detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0600Serial communication link malfunction
AJ-V6 TD3.0L, Diesel, 300hpEngineP1351Ignition coil control circuit
AJ-V6 TD3.0L, Diesel, 300hpEngineP1572Engine RPM - high
AJ-V6 TD3.0L, Diesel, 300hpEngineP2238Oxygen (A/F) sensor signal stuck rich bank 1 sensor 1
AJ-V6 TD3.0L, Diesel, 300hpEngineP2177System too lean off idle
AJ-V6 TD3.0L, Diesel, 300hpEngineP2610Engine control module (ECM) internal engine off timer performance
AJ-V6 TD3.0L, Diesel, 300hpEngineP0011Camshaft position - Timing over-advanced or system performance
AJ-V6 TD3.0L, Diesel, 300hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V6 TD3.0L, Diesel, 300hpEngineP0087Fuel rail/system pressure too low
AJ-V6 TD3.0L, Diesel, 300hpEngineP0191Fuel pressure sensor performance
AJ-V6 TD3.0L, Diesel, 300hpEngineP0299Boost pressure regulation
AJ-V6 TD3.0L, Diesel, 300hpEngineP0301Cylinder 1 misfire detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0302Cylinder 2 misfire detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0303Cylinder 3 misfire detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0306Cylinder 6 misfire detected
AJ-V6 TD3.0L, Diesel, 300hpEngineP0351Ignition coil A primary/secondary circuit malfunction
AJ-V6 TD3.0L, Diesel, 300hpEngineP0352Ignition coil B primary/secondary circuit malfunction
AJ-V6 TD3.0L, Diesel, 300hpEngineP0353Ignition coil C primary/secondary circuit malfunction
AJ-V6 TD3.0L, Diesel, 300hpEngineP0354Ignition coil D primary/secondary circuit malfunction
AJ-V6 TD3.0L, Diesel, 300hpEngineP0420Catalyst system efficiency below threshold
AJ-V6 TD3.0L, Diesel, 300hpEngineP0562System voltage - low
AJ-V6 TD3.0L, Diesel, 300hpEngineP0601Internal control module memory check sum error
AJ-V8 SC4.0L, Petrol, 385hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V8 SC4.0L, Petrol, 385hpEngineP0171System too lean
AJ-V8 SC4.0L, Petrol, 385hpEngineP0172System too rich
AJ-V8 SC4.0L, Petrol, 385hpEngineP0300Multiple misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0301Cylinder 1 misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0302Cylinder 2 misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0303Cylinder 3 misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0304Cylinder 4 misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0305Cylinder 5 misfire detected
AJ-V8 SC4.0L, Petrol, 385hpEngineP0306Cylinder 6 misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V85.0L, Petrol, 470hpEngineP0171System too lean
AJ-V85.0L, Petrol, 470hpEngineP0172System too rich
AJ-V85.0L, Petrol, 470hpEngineP0300Multiple misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0301Cylinder 1 misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0302Cylinder 2 misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0303Cylinder 3 misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0304Cylinder 4 misfire detected
AJ-V85.0L, Petrol, 470hpEngineP0305Cylinder 5 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0171System too lean
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0172System too rich
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0300Multiple misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0301Cylinder 1 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0302Cylinder 2 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0303Cylinder 3 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0304Cylinder 4 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0305Cylinder 5 misfire detected
AJ-V8 Gen III6.0L, Petrol, 550hpEngineP0306Cylinder 6 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V6D2.0L, Diesel, 180hpEngineP0171System too lean
AJ-V6D2.0L, Diesel, 180hpEngineP0172System too rich
AJ-V6D2.0L, Diesel, 180hpEngineP0300Multiple misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0301Cylinder 1 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0302Cylinder 2 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0303Cylinder 3 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0304Cylinder 4 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0305Cylinder 5 misfire detected
AJ-V6D2.0L, Diesel, 180hpEngineP0306Cylinder 6 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0171System too lean
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0172System too rich
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0300Multiple misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0301Cylinder 1 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0302Cylinder 2 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0303Cylinder 3 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0304Cylinder 4 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0305Cylinder 5 misfire detected
AJ-V6D Gen III3.0L, Diesel, 300hpEngineP0306Cylinder 6 misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0171System too lean
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0172System too rich
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0300Multiple misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0301Cylinder 1 misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0302Cylinder 2 misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0303Cylinder 3 misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0304Cylinder 4 misfire detected
AJ-V8 Gen III5.0L, Petrol, 470hpEngineP0305Cylinder 5 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0016Crankshaft position - Camshaft position correlation
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0171System too lean
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0172System too rich
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0300Multiple misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0301Cylinder 1 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0302Cylinder 2 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0303Cylinder 3 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0304Cylinder 4 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0305Cylinder 5 misfire detected
AJ-V8 Gen III Supercharged5.0L, Petrol, 550hpEngineP0306Cylinder 6 misfire detected
Transmission8-speed automaticTransmissionP0705Transmission range sensor circuit malfunction (PRNDL input)
Transmission8-speed automaticTransmissionP0720Output speed sensor circuit malfunction
Transmission8-speed automaticTransmissionP0730Incorrect gear ratio
Transmission8-speed automaticTransmissionP0740Torque converter clutch circuit malfunction
Transmission8-speed automaticTransmissionP0750Shift solenoid A malfunction
Transmission8-speed automaticTransmissionP0755Shift solenoid B malfunction
Transmission8-speed automaticTransmissionP0800Transmission control module requested MIL illumination
Transmission8-speed automaticTransmissionP0842Transmission fluid pressure sensor/switch A circuit low
Transmission8-speed automaticTransmissionP0847Transmission fluid pressure sensor/switch B circuit low
SuspensionActive suspensionSuspensionC1A13-67Rear suspension fault
SuspensionActive suspensionSuspensionC1A15-67Suspension control module fault
SuspensionActive suspensionSuspensionC1A11-67Suspension height sensor fault
SuspensionActive suspensionSuspensionC1A12-67Suspension pressure sensor fault
SuspensionActive suspensionSuspensionC1A14-67Suspension valve fault
SuspensionActive suspensionSuspensionC1A16-67Suspension pressure switch fault
SuspensionActive suspensionSuspensionC1A17-67Suspension compressor fault
SuspensionActive suspensionSuspensionC1A18-67Suspension valve relay fault
SuspensionActive suspensionSuspensionC1A19-67Suspension air spring fault
SuspensionActive suspensionSuspensionC1A21-67Suspension strut fault
Brakes4-wheel disc brakesBrakesC1142Rear left ABS sensor fault
Brakes4-wheel disc brakesBrakesC1143Front right ABS sensor fault
Brakes4-wheel disc brakesBrakesC1144Front left ABS sensor fault
Brakes4-wheel disc brakesBrakesC1145ABS pump fault
Brakes4-wheel disc brakesBrakesC1146ABS valve fault
Brakes4-wheel disc brakesBrakesC1147ABS modulator fault
Brakes4-wheel disc brakesBrakesC1148ABS solenoid fault
Brakes4-wheel disc brakesBrakesC1149ABS control unit fault
Brakes4-wheel disc brakesBrakesC1150ABS hydraulic unit fault
Climate ControlDual zone climate controlClimate ControlB1004Climate control module fault
Climate ControlDual zone climate controlClimate ControlB1005Climate control sensor fault
Climate ControlDual zone climate controlClimate ControlB1006Climate control actuator fault
Climate ControlDual zone climate controlClimate ControlB1007Climate control relay fault
Climate ControlDual zone climate controlClimate ControlB1008Climate control blower fault
Climate ControlDual zone climate controlClimate ControlB1009Climate control compressor fault
Climate ControlDual zone climate controlClimate ControlB1010Climate control refrigerant fault
Climate ControlDual zone climate controlClimate ControlB1011Climate control mode door fault
Engine ManagementEngine management systemEngine ManagementP0002Fuel volume regulator control circuit range/performance
Engine ManagementEngine management systemEngine ManagementP0003Fuel volume regulator control circuit low
Engine ManagementEngine management systemEngine ManagementP0004Fuel volume regulator control circuit high
Engine ManagementEngine management systemEngine ManagementP0005Fuel shutoff valve "A" control circuit malfunction
Engine ManagementEngine management systemEngine ManagementP0006Fuel shutoff valve "A" control circuit low
Engine ManagementEngine management systemEngine ManagementP0007Fuel shutoff valve "A" control circuit high
Engine ManagementEngine management systemEngine ManagementP0008Engine position system performance
Engine ManagementEngine management systemEngine ManagementP0009Engine position system performance
Engine ManagementEngine management systemEngine ManagementP0010"A" Camshaft position actuator circuit
TransmissionAutomatic transmissionTransmissionP0706Transmission range sensor circuit range/performance
TransmissionAutomatic transmissionTransmissionP0707Transmission range sensor circuit low input
TransmissionAutomatic transmissionTransmissionP0708Transmission range sensor circuit high input
TransmissionAutomatic transmissionTransmissionP0709Transmission range sensor circuit intermittent
TransmissionAutomatic transmissionTransmissionP0710Transmission fluid temperature sensor circuit malfunction
TransmissionAutomatic transmissionTransmissionP0711Transmission fluid temperature sensor circuit range/performance
TransmissionAutomatic transmissionTransmissionP0712Transmission fluid temperature sensor circuit low input
TransmissionAutomatic transmissionTransmissionP0713Transmission fluid temperature sensor circuit high input
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1235ABS pump motor relay circuit malfunction
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1236ABS pump motor electrical malfunction
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1237ABS pump motor circuit failure
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1238ABS pump motor circuit low
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1239ABS pump motor circuit high
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1240ABS valve relay circuit malfunction
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1241ABS valve relay circuit range/performance
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1242ABS valve relay circuit low
ABS/Traction ControlABS and Traction control systemABS/Traction ControlC1243ABS valve relay circuit high
SuspensionSuspension systemSuspensionU0416Suspension control module performance
SuspensionSuspension systemSuspensionU0417Suspension control module input malfunction
SuspensionSuspension systemSuspensionU0418Suspension control module output malfunction
SuspensionSuspension systemSuspensionU0419Suspension control module U-joint failure
SuspensionSuspension systemSuspensionU0420Suspension control module internal failure
SuspensionSuspension systemSuspensionU0421Suspension control module invalid data received
SuspensionSuspension systemSuspensionU0422Suspension control module no communication with vehicle dynamics control module
SuspensionSuspension systemSuspensionU0423Suspension control module power source malfunction
Air ConditioningAir conditioning systemAir ConditioningP0442Evaporative emission control system leak detected (small leak)
Air ConditioningAir conditioning systemAir ConditioningP0443Evaporative emission control system purge control valve circuit malfunction
Air ConditioningAir conditioning systemAir ConditioningP0444Evaporative emission control system purge control valve circuit open
Air ConditioningAir conditioning systemAir ConditioningP0445Evaporative emission control system purge control valve circuit shorted
Air ConditioningAir conditioning systemAir ConditioningP0446Evaporative emission control system vent control circuit malfunction
Air ConditioningAir conditioning systemAir ConditioningP0447Evaporative emission control system vent control circuit open
Air ConditioningAir conditioning systemAir ConditioningP0448Evaporative emission control system vent control circuit shorted
Air ConditioningAir conditioning systemAir ConditioningP0449Evaporative emission control system vent valve circuit malfunction
Air ConditioningAir conditioning systemAir ConditioningP0450Evaporative emission control system pressure sensor malfunction
Fuel SystemFuel systemFuel SystemP0002Fuel volume regulator control circuit range/performance
Fuel SystemFuel systemFuel SystemP0003Fuel volume regulator control circuit low
Fuel SystemFuel systemFuel SystemP0004Fuel volume regulator control circuit high
Fuel SystemFuel systemFuel SystemP0005Fuel shutoff valve A control circuit/open
Fuel SystemFuel systemFuel SystemP0006Fuel shutoff valve A control circuit low
Fuel SystemFuel systemFuel SystemP0007Fuel shutoff valve A control circuit high
Fuel SystemFuel systemFuel SystemP0008Engine position system performance
Fuel SystemFuel systemFuel SystemP0009Engine position system performance
Engine ManagementEngine management systemEngine ManagementP0101Mass or Volume Air Flow Circuit Range/Performance Problem
Engine ManagementEngine management systemEngine ManagementP0102Mass or Volume Air Flow Circuit Low Input
Engine ManagementEngine management systemEngine ManagementP0103Mass or Volume Air Flow Circuit High Input
Engine ManagementEngine management systemEngine ManagementP0104Mass or Volume Air Flow Circuit Intermittent
Engine ManagementEngine management systemEngine ManagementP0105Barometric Pressure Circuit Malfunction
Engine ManagementEngine management systemEngine ManagementP0106Barometric Pressure Circuit Range/Performance Problem
Engine ManagementEngine management systemEngine ManagementP0107Barometric Pressure Circuit Low Input
Engine ManagementEngine management systemEngine ManagementP0108Barometric Pressure Circuit High Input
Engine ManagementEngine management systemEngine ManagementP0109Barometric Pressure Circuit Intermittent
TransmissionTransmission systemTransmissionP0701Transmission control system range/performance problem
TransmissionTransmission systemTransmissionP0702Transmission control system electrical
TransmissionTransmission systemTransmissionP0703Torque converter/brake switch B circuit malfunction
TransmissionTransmission systemTransmissionP0704Clutch switch input circuit malfunction
TransmissionTransmission systemTransmissionP0705Transmission range sensor circuit malfunction (PRNDL input)
TransmissionTransmission systemTransmissionP0706Transmission range sensor circuit range/performance
TransmissionTransmission systemTransmissionP0707Transmission range sensor circuit low input
TransmissionTransmission systemTransmissionP0708Transmission range sensor circuit high input

Jaguar XJ Issues: Frequently Asked Questions

What are some common issues with the Jaguar XJ?

Some common issues with the Jaguar XJ include transmission problems, suspension issues, electrical problems, and issues with the fuel system.

What years and models of the Jaguar XJ are most affected by these issues?

The most affected years of the Jaguar XJ tend to be those from 2003 to 2009, as well as the 2011 to 2012 models. However, it's important to note that any model year can be affected by these issues.

Can these issues with the Jaguar XJ be prevented?

Yes, many of the issues with the Jaguar XJ can be prevented through proper maintenance and care. Regular oil changes, timely replacement of wear and tear parts, and regular check-ups can help prevent issues with the vehicle.

What should I do if my Jaguar XJ is experiencing suspension problems?

If your Jaguar XJ is experiencing suspension problems, it's best to take it to a certified Jaguar mechanic as soon as possible. They will be able to diagnose the issue and provide you with a solution.

How can I tell if my Jaguar XJ is experiencing transmission problems?

Some signs of transmission problems in a Jaguar XJ include slipping gears, hesitation when shifting gears, and grinding noises when shifting. If you notice any of these symptoms, it's important to take your vehicle to a certified Jaguar mechanic as soon as possible.

What are some common electrical problems with the Jaguar XJ?

Some common electrical problems with the Jaguar XJ include issues with the radio, the navigation system, and the power windows. These issues can be caused by a variety of factors, including a dead battery, a blown fuse, or a malfunctioning component.

How can I tell if my Jaguar XJ is experiencing fuel system problems?

If your Jaguar XJ is experiencing fuel system problems, you may notice a decrease in fuel efficiency, a decrease in power, or a warning light on the dashboard. If you notice any of these symptoms, it's important to take your vehicle to a certified Jaguar mechanic as soon as possible.

What should I do if my Jaguar XJ is experiencing issues with the power windows?

If your Jaguar XJ is experiencing issues with the power windows, it's best to take it to a certified Jaguar mechanic as soon as possible. They will be able to diagnose the issue and provide you with a solution.

Can regular maintenance help prevent issues with the Jaguar XJ?

Yes, regular maintenance can help prevent many of the issues that the Jaguar XJ may experience. This includes regular oil changes, timely replacement of wear and tear parts, and regular check-ups by a certified Jaguar mechanic.

What are the common problems with the Jaguar XJ?

Some common issues reported by owners of the Jaguar XJ include problems with the electrical system, suspension, transmission, engine, and braking system. Additionally, issues with the key fob, taillights, and turn signals have also been reported.

Are the Jaguar XJ electrical problems widespread?

Electrical problems are a known issue with the Jaguar XJ, and some owners have reported issues with the car's infotainment system, navigation system, and various electrical components such as the power windows and interior lights.

What are the most common suspension problems with the Jaguar XJ?

The most common suspension problems reported by owners of the Jaguar XJ include issues with the shocks and struts, as well as problems with the suspension system components such as bushings and ball joints.

What are the most common transmission problems with the Jaguar XJ?

The most common transmission problems reported by owners of the Jaguar XJ include issues with the transmission slipping, rough shifting, and transmission failure.

What are the most common engine problems with the Jaguar XJ?

The most common engine problems reported by owners of the Jaguar XJ include issues with the engine misfiring, engine stalling, and engine failure. Some owners have also reported oil leaks and other engine-related problems.

What are the most common braking problems with the Jaguar XJ?

The most common braking problems reported by owners of the Jaguar XJ include issues with the brake system components such as the brake pads, rotors, and calipers, as well as problems with the brake master cylinder and ABS system.

Are there any issues with the key fob for the Jaguar XJ?

Some owners of the Jaguar XJ have reported issues with the key fob, including problems with the key fob not working properly, failing to unlock or lock the doors, and issues with the key fob battery.

What are the most common taillight problems with the Jaguar XJ?

The most common taillight problems reported by owners of the Jaguar XJ include issues with the taillights not working properly, such as the taillights failing to turn on or flickering.

What are the most common turn signal problems with the Jaguar XJ?

The most common turn signal problems reported by owners of the Jaguar XJ include issues with the turn signals not working properly, such as the turn signals not blinking or flickering.

Are the issues with the Jaguar XJ model-specific or do they vary by year, engine type, or complectation?

The issues reported with the Jaguar XJ can vary depending on the year, engine type, and complectation of the car. It's important to consult a trusted mechanic or research the specific model and year of the Jaguar XJ to determine the most common issues and potential solutions.

What are some common problems with the Jaguar XJ's electrical system?

Some common electrical problems with the Jaguar XJ include issues with the alternator, battery, starter motor, and fuse box. Owners have reported issues with the alternator failing and not charging the battery properly, leading to the battery going dead. The starter motor may also fail, causing the engine to not start. Additionally, the fuse box can become corroded, causing electrical issues throughout the vehicle.

Can the transmission problems with the Jaguar XJ be fixed?

Yes, transmission problems with the Jaguar XJ can be fixed. However, the cost of repair can vary depending on the type and extent of the issue. Common transmission problems with the Jaguar XJ include issues with shifting, slipping, and grinding gears. In some cases, the transmission may need to be completely replaced, which can be a costly repair.

What is the average lifespan of a Jaguar XJ?

The average lifespan of a Jaguar XJ is around 10 to 12 years with proper maintenance. However, the lifespan can vary greatly depending on the usage, driving conditions, and maintenance of the vehicle. If a Jaguar XJ is well-maintained and not driven under harsh conditions, it can last for over 15 years.

What are the common suspension problems with the Jaguar XJ?

Some common suspension problems with the Jaguar XJ include issues with the shocks, struts, and control arms. Owners have reported issues with the shocks and struts becoming worn and losing their ability to absorb impacts, leading to a rough ride and increased body roll. The control arms may also become worn, leading to issues with alignment and stability.

What are the most common engine problems with the Jaguar XJ?

Some of the most common engine problems with the Jaguar XJ include issues with the fuel system, ignition system, and valve lifters. Owners have reported issues with the fuel system, including clogged injectors and failing fuel pumps. The ignition system may also fail, causing the engine to not start or run poorly. The valve lifters may become worn, leading to engine ticking or knocking noises.

What is the average cost of repairing a Jaguar XJ?

The cost of repairing a Jaguar XJ can vary greatly depending on the type and extent of the issue. On average, repairs for common issues can range from several hundred to several thousand dollars. The cost can be higher for more serious or extensive repairs, such as transmission replacement or engine rebuild. It is important to regularly maintain and service the vehicle to help reduce the cost of repairs over time.

What are common problems with the Jaguar XJ of the late 2000s and early 2010s?

Some common problems reported by owners of Jaguar XJ from the late 2000s to early 2010s include electrical issues, suspension problems, and issues with the air conditioning system.

How often should I have my Jaguar XJ serviced to prevent problems?

It is recommended to have your Jaguar XJ serviced every 12 months or 12,000 miles, whichever comes first. This includes regular maintenance such as oil changes, tire rotations, and fluid level checks.

What is the average cost to repair a problem with the Jaguar XJ?

The cost to repair a problem with the Jaguar XJ can vary depending on the issue and the complexity of the repair. Some minor repairs may only cost a few hundred dollars, while more complex repairs, such as transmission issues or engine problems, can cost several thousand dollars.

What should I do if my Jaguar XJ is having problems?

If your Jaguar XJ is having problems, it is recommended to take it to a qualified Jaguar dealership or repair shop as soon as possible. A qualified technician will be able to diagnose the problem and recommend the best course of action to fix it.

What is the warranty on a Jaguar XJ and what does it cover?

The warranty on a Jaguar XJ typically covers defects in materials and workmanship, as well as certain components such as the engine and transmission, for a specified period of time. The length of the warranty varies depending on the year and model of the vehicle. It is important to review the warranty information for your specific Jaguar XJ to determine what is covered and for how long.

Can I extend the warranty on my Jaguar XJ?

Yes, you can extend the warranty on your Jaguar XJ. This can typically be done by purchasing an extended warranty from the manufacturer or a third-party provider. An extended warranty can provide additional coverage beyond the original warranty and offer peace of mind in case of unexpected repairs.

What are some common issues with the Jaguar XJ’s lighting system?

Some of the common lighting system issues with the Jaguar XJ include: headlight problems, taillight problems, and turn signal problems. Headlight problems can range from dim or flickering lights to complete failure, while taillight problems can include malfunctioning or burnt out lights. Turn signal problems can manifest as faulty or slow-responding signals, or as complete failures.

What causes window regulator problems in the Jaguar XJ?

Window regulator problems in the Jaguar XJ can be caused by a variety of factors, including wear and tear on the regulator mechanism, corrosion of the regulator components, or issues with the electrical system that powers the windows. Other factors that can contribute to window regulator problems include improper use or installation of the windows, as well as exposure to extreme weather conditions.

What are some potential solutions for key fob issues in the Jaguar XJ?

Some potential solutions for key fob issues in the Jaguar XJ include replacing the batteries in the key fob, repairing or replacing the key fob itself, or addressing any issues with the vehicle’s electrical system that may be contributing to the problem. In some cases, resetting the vehicle’s onboard computer may also resolve key fob issues.

Why do engine belts in the Jaguar XJ sometimes start to squeal?

Engine belts in the Jaguar XJ can start to squeal for a variety of reasons, including wear and tear on the belt itself, misalignment of the belt with the pulley system, or problems with the belt tensioner. Other factors that can contribute to engine belt squealing include exposure to extreme heat or cold, as well as exposure to contaminants such as dirt or grease.

What is the importance of regular maintenance for the Jaguar XJ?

Regular maintenance is essential for ensuring that your Jaguar XJ continues to perform at its best, and for avoiding potential problems down the road. Regular maintenance can help keep the vehicle running smoothly, improve its fuel efficiency, and extend its overall lifespan. Additionally, by performing regular maintenance, you can help ensure that your vehicle is safe to drive and that you can avoid the need for more costly repairs in the future.

What are some early warning signs to watch out for in the Jaguar XJ?

Some early warning signs to watch out for in the Jaguar XJ include changes in the vehicle’s handling or performance, unusual noises or vibrations coming from the engine or other parts of the vehicle, and warning lights or messages that appear on the dashboard. Other signs to watch out for include leaks or fluid changes under the vehicle, issues with the vehicle’s brakes, or problems with the vehicle’s suspension system.

What are some recommended practices for properly using and caring for the Jaguar XJ?

Some recommended practices for properly using and caring for the Jaguar XJ include regular maintenance and inspections, following the manufacturer’s recommended service schedule, and avoiding the use of harsh chemicals or abrasive materials when cleaning the vehicle. Additionally, it is important to keep the vehicle’s interior and exterior free of debris and to avoid overloading the vehicle, as this can cause undue wear and tear on its components.


Brian Wong - Senior Reviews Editor of cars-directory.net

Brian Wong / Author

Brian Wong is an accomplished automotive journalist and editor with a passion for cars. With over a decade of experience in the industry, he has established himself as a trusted voice in the automotive community. Brian has written extensively about a wide range of topics in the field, from the latest trends in car design to innovative safety features and emerging technologies. As a senior reviews editor, he is responsible for test driving and analyzing the latest cars on the market, providing readers with accurate and objective reviews. His articles are widely read and respected for their depth of knowledge and analysis. Brian is committed to staying at the forefront of the latest developments in the automotive industry, and is dedicated to sharing his expertise and insights with his readers.



Updated on March 29, 2024