Changan CS55 Won't Start? Troubleshoot the Causes & Solutions

By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on December 1, 2023

1. Introduction

The Changan CS55 is a popular SUV model produced by the Chinese automaker Changan. It was first introduced in 2017 and has since gained a reputation for being a reliable and affordable vehicle. However, as with any car model, the CS55 can experience issues that prevent it from starting.

When a Changan CS55 won't start, it can be frustrating and inconvenient for the owner. There are several possible causes of this problem, including battery issues, fuel system problems, and ignition system malfunctions. For example, a dead battery or a faulty fuel pump can prevent the car from starting.

In order to diagnose the cause of a CS55 not starting, visual inspection and diagnostic tools can be used. A visual inspection involves checking for loose or corroded battery connections, looking for signs of fuel leaks, and inspecting spark plugs for wear and tear. Diagnostic tools such as an OBD-II scanner, a multimeter, or a fuel pressure gauge can also be used to identify specific issues with the car.

Once the cause of the CS55 not starting has been identified, there are several common solutions that can be implemented. These may include jump-starting the battery, replacing the battery or cleaning and replacing the fuel filter. In some cases, the spark plugs or ignition coils may need to be replaced.

It is important for Changan CS55 owners to be aware of these potential issues and how to troubleshoot them. Regular maintenance and check-ups can help prevent problems from occurring and prolong the life of the vehicle. If the CS55 still won't start after trying the solutions outlined above, it is recommended to seek professional help from a trusted mechanic or dealership.

2. Possible causes of a Changan CS55 not starting

2.1. Battery problems

One of the most common causes of a Changan CS55 not starting is battery problems. There are several potential issues with the battery that can prevent the car from starting, including a dead battery, corroded battery terminals, or loose battery cables.

A dead battery is one of the most common battery-related issues that can prevent a CS55 from starting. This can occur if the battery is old, worn out, or has been drained due to leaving the lights on or other similar reasons. If the battery is dead, jump-starting the car with another vehicle or a portable battery charger can help to get it started again.

Another potential issue is corroded battery terminals. Corrosion can occur due to exposure to moisture, dirt, or other contaminants. Over time, this can cause the battery terminals to become corroded and make it difficult for the battery to transmit power to the engine. Cleaning the battery terminals with a wire brush or a mixture of baking soda and water can help to remove corrosion and improve the connection.

Loose battery cables can also prevent a CS55 from starting. If the battery cables are not tightly connected to the battery terminals, it can cause a poor connection and prevent the battery from transmitting power to the engine. Tightening the battery cables with a wrench or pliers can help to fix this issue.

To prevent battery-related problems, it is important to regularly check the battery's health and performance. This can be done by testing the battery voltage with a multimeter or taking the car to a mechanic for a battery check-up. Additionally, taking care to turn off lights and other electrical components when the car is not in use can help to preserve the battery's charge and prolong its lifespan.

2.2. Fuel system problems

Another potential cause of a Changan CS55 not starting is fuel system problems. The fuel system is responsible for delivering fuel to the engine, and if there are issues with this system, it can prevent the car from starting or cause it to stall while driving.

One common fuel system problem that can prevent a CS55 from starting is a clogged fuel filter. The fuel filter is designed to remove contaminants and impurities from the fuel before it reaches the engine. Over time, the filter can become clogged with debris, which can restrict the flow of fuel to the engine and prevent the car from starting. Replacing the fuel filter can help to resolve this issue.

Another potential issue with the fuel system is a faulty fuel pump. The fuel pump is responsible for pumping fuel from the gas tank to the engine, and if it is not working properly, the engine may not receive enough fuel to start. Signs of a faulty fuel pump include difficulty starting the engine, decreased fuel efficiency, and a high-pitched whining noise coming from the gas tank. Replacing the fuel pump can help to resolve this issue.

Fuel leaks can also prevent a CS55 from starting. If there is a leak in the fuel system, fuel may not be reaching the engine or there may not be enough fuel pressure to start the car. Signs of a fuel leak include a strong smell of gasoline, visible fuel stains or puddles underneath the car, and decreased fuel efficiency. Fixing the fuel leak and ensuring that the fuel system is properly sealed can help to resolve this issue.

To prevent fuel system problems, it is important to regularly check the fuel filter, fuel pump, and fuel lines for signs of wear and tear. It is also important to use high-quality fuel and to avoid running the car on an empty gas tank, which can cause damage to the fuel system. If the CS55 still won't start after trying the solutions outlined above, it is recommended to seek professional help from a trusted mechanic or dealership.

2.3. Ignition system problems

The ignition system is responsible for starting the engine in a Changan CS55, and if there are issues with this system, it can prevent the car from starting or cause it to stall while driving. There are several potential ignition system problems that can prevent a CS55 from starting.

One common issue is a faulty ignition switch. The ignition switch is the component that turns on the electrical system and engages the starter motor to start the engine. If the ignition switch is not working properly, the electrical system may not turn on, or the starter motor may not engage. Signs of a faulty ignition switch include a car that won't start, even with a fully charged battery, or a car that starts intermittently. Replacing the ignition switch can help to resolve this issue.

Another potential issue with the ignition system is a failed starter motor. The starter motor is responsible for turning the engine over when the ignition key is turned. If the starter motor fails, the engine may not turn over, or it may turn over very slowly. Signs of a failed starter motor include a clicking sound when the key is turned, or a grinding noise coming from the engine when attempting to start the car. Replacing the starter motor can help to resolve this issue.

Faulty spark plugs or ignition coils can also cause ignition system problems. Spark plugs provide the spark that ignites the fuel in the engine, and ignition coils are responsible for producing the high voltage needed to power the spark plugs. If either of these components fails, the engine may not start or may misfire. Signs of faulty spark plugs or ignition coils include difficulty starting the engine, decreased fuel efficiency, and engine misfires. Replacing the faulty component can help to resolve this issue.

Regularly inspecting the ignition system and replacing any worn or faulty components can help to prevent ignition system problems. It is also important to avoid excessive idling or starting the car frequently, which can cause wear and tear on the ignition system. If the CS55 still won't start after trying the solutions outlined above, it is recommended to seek professional help from a trusted mechanic or dealership.

3. How to diagnose the cause of a Changan CS55 not starting

3.1. Visual inspection

Performing a visual inspection is an essential step in diagnosing the cause of a Changan CS55 not starting. This inspection can reveal visible signs of damage or wear that may be contributing to the problem.

Firstly, check the battery and its connections. Ensure that the battery terminals are clean, tight, and free of corrosion. Look for any visible damage to the battery or its cables, such as fraying or cracks. If the battery is damaged, it may need to be replaced.

Next, check the engine oil level. A low oil level can cause the engine to fail to start, or it may start and then quickly stall. Check the oil level with the dipstick, and add oil if needed.

Inspect the fuel system, including the fuel filter, fuel pump, and fuel lines. Look for any visible signs of damage or leaks. A clogged fuel filter or a failing fuel pump can prevent fuel from reaching the engine and cause the car to not start. If any damage or leaks are found, it may be necessary to replace the damaged component.

Check the ignition system, including the spark plugs and ignition coils. Look for any visible signs of wear or damage, such as cracked or corroded plugs. If any issues are found, replace the faulty components.

Inspect the engine for any signs of damage, such as cracks or leaks. Check the air filter for any signs of clogging or dirt buildup, as this can also contribute to starting issues.

Finally, check the starter motor and alternator for any visible signs of damage. Look for frayed or damaged wires, loose connections, or broken components. If any issues are found, it may be necessary to replace the faulty component.

In conclusion, a visual inspection can reveal valuable information about the potential causes of a Changan CS55 not starting. Regularly performing a visual inspection and addressing any issues can help prevent starting problems and keep the car running smoothly. If any issues persist after a visual inspection, it is recommended to seek professional help from a trusted mechanic or dealership.

3.2. Diagnostic tools

While a visual inspection can reveal visible signs of damage or wear, sometimes the root cause of a Changan CS55 not starting may be harder to diagnose. In such cases, diagnostic tools can be used to provide a more in-depth analysis.

One such tool is an OBD-II scanner, which can read the codes stored in the car's onboard computer. These codes can provide insight into potential issues with the engine, fuel system, ignition system, or other components that may be contributing to the starting problem. Some OBD-II scanners also provide real-time data, such as engine RPM, fuel pressure, and temperature, which can aid in troubleshooting.

Another diagnostic tool is a multimeter, which can be used to test the electrical system. A multimeter can check for voltage drops, resistance, and continuity, which can help identify issues with the battery, alternator, or starter motor.

A fuel pressure gauge can be used to measure the pressure in the fuel system. If the pressure is too low, it can indicate a clogged fuel filter or a failing fuel pump.

A compression tester can be used to check the engine's compression. Low compression can cause starting problems and may indicate issues with the piston rings, valves, or cylinder walls.

A scope can be used to analyze the waveform of the spark plugs and ignition coils. This can help identify issues with the ignition system, such as weak sparks or misfiring.

In conclusion, diagnostic tools can provide a more detailed analysis of the potential causes of a Changan CS55 not starting. These tools can help identify issues with the engine, fuel system, ignition system, or other components that may be contributing to the problem. If a visual inspection and basic troubleshooting does not reveal the cause of the starting problem, it may be necessary to use diagnostic tools or seek professional help from a trusted mechanic or dealership.

4. Common solutions for a Changan CS55 not starting

4.1. Jump-starting the battery

If a Changan CS55 is not starting due to a dead battery, jump-starting may be a quick and easy solution. Jump-starting involves connecting a charged battery to the dead battery to provide the necessary power to start the engine. Here's how to jump-start a Changan CS55:

1. Position the vehicles: Park the donor car (the car with the charged battery) close enough to the Changan CS55 so that the jumper cables can reach both batteries. Make sure both cars are turned off, and the keys are removed from the ignition.

2. Connect the cables: Attach the positive (red) jumper cable to the positive terminal of the dead battery in the Changan CS55. Then attach the other end of the positive cable to the positive terminal of the donor battery. Next, attach the negative (black) cable to the negative terminal of the donor battery. Finally, attach the other end of the negative cable to a metal surface on the engine block of the Changan CS55. Do not attach the negative cable to the negative terminal of the dead battery as this can cause sparks and potentially cause a fire.

3. Start the donor car: Start the donor car and let it run for a few minutes to charge the dead battery.

4. Start the Changan CS55: Try starting the Changan CS55. If it starts, let it run for a few minutes to allow the battery to charge.

5. Disconnect the cables: Once the Changan CS55 is running, carefully disconnect the jumper cables in reverse order: negative cable from the Changan CS55, negative cable from the donor car, positive cable from the donor car, and finally the positive cable from the Changan CS55.

It's important to note that jump-starting is only a temporary solution and should not be relied on as a long-term fix. If the battery keeps dying or if the Changan CS55 is not starting for reasons other than a dead battery, it's important to have the vehicle inspected by a professional mechanic. Additionally, it's important to take steps to prevent the battery from dying again in the future, such as regularly testing the battery's charge and replacing it if necessary, checking for any electrical issues that may be draining the battery, and avoiding leaving the car's electronics on when the engine is turned off.

4.2. Replacing the battery

If jump-starting the Changan CS55 doesn't work, the next step is to check the battery's overall health. If the battery is dead or isn't holding a charge, it may need to be replaced. Here are some common steps to replace a battery in a Changan CS55:

1. Turn off the engine and open the hood of the car. Locate the battery, which is typically on the right side of the engine compartment.

2. Before removing the old battery, make sure to disconnect the negative terminal cable (marked with a "-") from the battery post. This will ensure that the electrical system is not active while you're working on the battery.

3. Remove the positive terminal cable (marked with a "+") from the battery post. This cable is typically red in color.

4. Use a battery wrench or pliers to loosen the nuts or bolts that hold the battery in place.

5. Carefully remove the old battery from the car and set it aside.

6. Check the battery tray and battery cables for any signs of corrosion or damage. Clean the tray and cables if necessary.

7. Place the new battery in the tray, making sure it's positioned correctly.

8. Tighten the nuts or bolts to secure the battery in place.

9. Reconnect the positive terminal cable first, followed by the negative terminal cable.

10. Close the hood of the car and start the engine to ensure that the new battery is working properly.

Replacing the battery in a Changan CS55 is a relatively straightforward process, but it's important to take proper safety precautions and ensure that the new battery is compatible with the car's electrical system. If you're not comfortable replacing the battery yourself, it's best to seek professional help from a mechanic or automotive technician.

4.3. Cleaning or replacing the fuel filter

Cleaning or replacing the fuel filter is another common solution to Changan CS55 not starting issues. Over time, the fuel filter can become clogged with dirt, debris, and other contaminants, preventing fuel from reaching the engine. This can result in a lack of power or a complete inability to start.

To diagnose if the fuel filter is the culprit, you can try starting the car with the air filter removed. If it starts, but runs poorly or stalls, it may be a sign that the fuel filter is clogged.

To replace the fuel filter, first, locate it under the car. The filter is typically located along the fuel line, either under the car or near the engine. Once you've found it, you can begin to remove the old filter. This may require the use of specialized tools or clamps to loosen the connections.

Once you have removed the old filter, you can install the new one in its place. Make sure to follow the manufacturer's instructions for installation, including proper positioning and tightening of the connections.

Alternatively, you can try cleaning the fuel filter if it is not severely clogged. To do this, remove the filter from the car and clean it with a solvent or cleaner that is appropriate for your specific filter. Be sure to dry the filter thoroughly before reinstalling it.

Replacing or cleaning the fuel filter can improve fuel efficiency and performance, as well as prevent potential engine damage. It is recommended to replace the fuel filter every 30,000 to 40,000 miles, or as recommended by the manufacturer.

4.4. Replacing the spark plugs or ignition coils

One of the most common reasons for a Changan CS55 not starting is a problem with the ignition system, specifically with the spark plugs or ignition coils. The spark plugs are responsible for creating the spark that ignites the fuel in the engine, while the ignition coils are responsible for supplying the electrical current to the spark plugs.

Over time, both the spark plugs and ignition coils can wear out and fail, leading to issues with starting the engine. In some cases, the spark plugs may become fouled with carbon buildup, preventing them from firing properly. The ignition coils may also fail due to heat or wear and tear, resulting in a weak spark or no spark at all.

To diagnose this issue, a mechanic may use a diagnostic tool to check for any fault codes related to the ignition system. They may also perform a visual inspection of the spark plugs and ignition coils to look for any signs of wear or damage.

If the problem is determined to be with the spark plugs, they may need to be cleaned or replaced. In some cases, the mechanic may need to use a specialized tool to remove the spark plugs if they are difficult to access.

If the issue is with the ignition coils, they will likely need to be replaced. This can be a more involved repair, as the mechanic will need to remove any components that are in the way of accessing the coils.

Overall, keeping up with regular maintenance and replacing parts as needed can help prevent issues with the ignition system and ensure that the Changan CS55 starts reliably.

5. Conclusion

In conclusion, a Changan CS55 not starting can be caused by a variety of issues related to the battery, fuel system, ignition system, and other components. Visual inspection and the use of diagnostic tools can help identify the root cause of the problem. Common solutions for a Changan CS55 not starting include jump-starting the battery, replacing the battery, cleaning or replacing the fuel filter, and replacing the spark plugs or ignition coils. It is important to address any issues promptly to ensure the safe and reliable operation of the vehicle. Regular maintenance and inspections can also help prevent issues from occurring in the first place.

FAQ: Common Reasons Why Your Changan CS55 Won't Start

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