Question about 2002 Chevrolet TrailBlazer

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My check engine light is on. I just got my oil changed,air filter and fuel filter. About 1 week ago,I got a new water pump and serpentine belt put on it also.

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  • Bruce Hathcock May 11, 2010

    have them check the timing belt may have jumped time, common problem for duel cams.

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HI, have the codes checked. this will lead you to the actual issues here. anytime this light illuminates, it will concern a failed sensor or, a certain miss in a specific cylinder. if you are not experiencing a miss or , hesitation in the performance of this car, it will most likely be a failed sensor.

Auto zone will run the diagnostic scan free of charge.

Posted on Jul 24, 2009

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Could be many issues, have the computer scanned for this at autozone or advance auto parts for free. post code to find out what the issue is!! hopefully this helps

Posted on Jul 24, 2009

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