Question about 2004 Chevrolet TrailBlazer

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I want to find out how to turn off check engine light for a 2002

Chevy trail blazer extreem

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  • alicialewis2 Mar 21, 2009

    2004 Chevy trailblazer ses light on took it to auto zone cam sensor defective

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I know that this will sound crazy, but it worked for me. I had my tb analyzed at autozone(for free) and found out that it needed a higher temperature thermostat. i changed the thermostat and the "service engine soon" light went out. No problem since.

Posted on Mar 24, 2009

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You can disconnect the battery for 1-2 minutes and then re-connect it. The only thing is that if you haven't fixed the problem, the light is going to come back on. Have your vehicle scanned for the trouble code and post it on here. We can help you from there.

Posted on Jan 23, 2009

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My brake lights stay on whan I turn on my lights o0n at night on my 2002 chevy trail blazer


If the brake lights come on with the taillights, its probably a short in one of the tail lamp sockets.

Sep 11, 2014 | Cars & Trucks

1 Answer

2002 chevy trail blazer,ran fine,went to work then at noon it would not start. changed fuel pump,crank sensor,cam sensor,checked compressionand spark at coils,still no start


You threw a lot of parts and money at that thing guessing what MAY be wrong with it. Check any fuses that may be marked start,ign,etc. Do you have spark? The engine size would alos help.

Oct 28, 2013 | 2002 Chevrolet TrailBlazer

1 Answer

Hi i have 2001 chevy trail blazer and its stalling on me is sucking to much gas some guy told me the map sensor was bad


Dont assume,,there is to many expensive things it could be..Go to auotzone and let them scann the vehicle..they do it for free..Even if you dont have a engine light,,you could still have codes

Sep 12, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

How large is the oil pan or how much oil does a 2002 4.2L chevy trail blazer hold


7 quarts for this engine. Our engine really likes the Mobil 1 fully synthetic.

Mar 24, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

2000 blazer runs rough after gas tank was overfilled


there is a vapour purge line from the tank to a charcoal cannister. The line& cannister has been contaminated with liquid gas. When the engine attempts a normal purge from cannister it gets loaded with raw gas, causing rough running and cherck engine light. Replace cannister. Never over fill gas tank, especially on hot sunny days

Jun 03, 2009 | 2002 Chevrolet Blazer

1 Answer

Running rough check engine light on


cylinder 5 has a dirty or sticking injector. check pvc and egr valve.

May 10, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

2005 CHEVY +TRAIL BLAZER ABS AND BRAKE LIGHTS ON


When the ABS light is on when driving there is a problem in the anti lock brake system and you will need to have it tested to find out what the problem is. As long as the light is on the ABS has been shut off by the computer until it is repaired. There could be problems with one of the wheel speed sensors, wiring or the ABS pump. On some vehicles the red brake light will come on too.

Dec 14, 2008 | 2002 Chevrolet TrailBlazer

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