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Toyota GAIA
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fuel consuption 2002

Date:April 30, 2010, 9:00 pm
Name:Paul Njihia
Location:Kenya, Nairobi Area, Nairobi
Vehicle:Toyota GAIA
Problems:consumption is too much and i want to know whether the engine is VVTi or not and how much should it consume per km

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To Suggest Solution

June 24, 2010, 3:37 am  from: zacharia
The engine is not VVTI; but i dont think it consumes too much.
-confirm the size of reserve tank when warning light comes on.
-Check also size of your tires; if they are bigger than specified size might contribute to more fuel consumption.
-Your driving behaviour if you rave it so much the Engine responds at the detriment of fuel.
-Last but not least give it Good regular service.
At least its supposed to give you 10km/litre in town and 15.5km/litre on the highway
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January 12, 2011, 12:18 am  from: CATHERINE KIPNGOK
My GAIA is not VVTI also, and is a 2002 model. It consumes about the same...9km per litre, or at times when driving upcountry along the highway, it consumes like 16km per litre. Initially I thought it had a problem, but I did regular servicing, and maintainance all the same. I realised it depends on driving skills and the vehicle handling also. Don't know if its true, but I observed that if I drive at a high speed,say 120 - 130m/hr, it consumes a hell lot of fuel. But with average speed say 80km/hr - 100km/ comsumed 1litre to every 10 - 15km...

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February 5, 2011, 2:27 am  from: Davis Mwandoe - Nairobi, Kenya
My consumes alot. 5.5km per litre. Am now using platinum spark plugs and I thought it could reduce the huge consumption. Previously I was using iridium spark plugs and I could do 6.6 km per litre. My gaia is a 2001 model.

Is there a way to better improve this performance.


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February 6, 2011, 2:32 am  from: Zacharia Ndika
This is the same Zacharia above
if your Gaia is of 2002-2004 then the Engine is 1AZ-FSE
This is the D4 Engine and mostly available with a 4WD option
Why it consumes more:-
1)in my observation 4WDs normally consume much fuel than their 2WDs.
2)The D4 don't like our high sulphur low quality gas.D4 engines use direct fuel injection system, like the GDI Mitsubishi.
You may notice the following after some time:
1. It looses power during drive.
2. It shuts down when the engine is on Neutral stand
3. The fuel consumption is to high.
4. Black smokes come out of the exhaust pipe.
Davis i would suggest You get a Mechanic who has handled a D4 engine to get a better explanation of the problems of this Engine.
Its a problem with the fuel Injection system.
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March 21, 2011, 3:30 am  from: Mohamedabbas
my gaia is 2009 model 3s engine (rav4 type) but it consumes a lot of fuel hardly 5km/ltre
any ideas to improve?
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March 21, 2011, 3:31 am  from: Mohamedabbas
my gaia is 2009 model 3s engine (rav4 type) but it consumes a lot of fuel hardly 5km/ltre
any ideas to improve?
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October 18, 2011, 7:53 pm  from: roy odundo
I am thinking of purchasing a gaia 2002 model kindly advice on its advantages and disadvantages

any help will do thanks
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October 18, 2011, 7:53 pm  from: roy odundo
I am thinking of purchasing a gaia 2002 model kindly advice on its advantages and disadvantages

any help will do thanks
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April 22, 2013, 4:02 pm  from: Muhangi
My gaia 2000 model has developed a problem, Gearbox is leaking Hydraulic,the so not good Mechanic says that those are seals(gearbox)i have around no seals on the market.Kindly Help.
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February 9, 2014, 9:14 pm  from: Muuka Muuka
I have Toyota Gaia 2002 model with 1AZ-FSE with D4 VVTi engine (same engine found in Toyota Avensis). I don't have any problem with it so far but I' am told it gives problems with this D4 function. How can I avoid this problem from affecting me before it finds me caught unaware.

I always service the car every after 5000Km by changing the following;
>Engine oil and oil filter
>Air Cleaner
>Never changed the fuel filter.
>Never changed the Spark Plugs.

Please Help.

From Zambia.
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June 18, 2014, 1:13 am  from: lim name is lim.I am planning to buy Toyota Gaia year 2000..anyone can give me some kind advise on my case? How about the maintainence and problem it should have?
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December 19, 2014, 4:15 am  from: tkm
toyota gaia is the best car..... it can perform upto 16km per 1ltr in high way and 10km per 1ltr in twn
February 15, 2015, 7:21 pm  from: reginald makambe
lm soo familiar with these 1az fse .except 1problem high fuel has a very rich mixture .l tried everything l could think of the injectors ,plugs map sensor but it all failed
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October 10, 2015, 4:35 am  from: salvatory mramba
Hi, am using toyota voxy with the same engine 1az fse, my proble fasing an eccess fuel consuption as well as black smoke from.the exhaust pipe what could be the problem? Please advise
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November 6, 2015, 11:48 pm  from: musekiwa coris
i have a toyota gaia 2wheel drive. it gives me 8.4km per litre uburn and 12km high way. is this nornal
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February 3, 2016, 1:32 am  from: Mgcini Bafana
I have a 2002 Toyota Gaia 1az, I am in need of an oil pump. How can I get one and for how much.
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June 5, 2016, 3:22 am  from: ndwaru
Fuel consumption is determined generally by driving skills and terrains, avoid excessive raves and never shift to N while driving!!! 1AZ D4 engines consume very well on the right driving skill and also see to it servicing is on schedule, best spark plugs, 3pin iridium, V power fuel is best!!!!
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June 20, 2016, 5:13 am  from: Mike chipango
My gaia consumes 1litre per 4ks
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July 26, 2016, 10:00 pm  from: Mgcini Bafana
I have a 2002 Toyota Gaia Iaz Fse and I am desperately in need of an oil pump. Help.
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November 8, 2016, 12:56 am  from: Jack
Selling my 2000 Gaia to clear my college fees anyone intrested?
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June 29, 2017, 8:00 pm  from: isaac watson
A toyota gaia is a very good fuel server but usually when it starts consuming too much fuel eg 4kms/litre then its a simple problem and no mechanic is needed just check the map/vacuum sensor situated under the bonnet below the windscreen the sensor is attached to the fuel manifold by a small rubber hose. if this hose is broken then eureka!!! just replace it and go for a road test otherwise you would need to replace the sensor
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June 29, 2017, 8:05 pm  from: isaac watson
Makambe you need to check the quality of your transmission fluid
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February 21, 2018, 12:57 am  from: Shehu Sani
I'm having fuel consumption problem & stearin is very-very strong it's difficult to turn the stearin. Many thanks. Shehu.
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Toyota GAIA - Solving Car Problems