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2004 Chevrolet TrailBlazer EXT LS 4dr 2WD

Trim Info:

Rear Wheel Drive, 4 Door
15 mpg city / 19 mpg hwy

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February 3, 2010, 8:27 am

Brandy D

Question: Is it normal for the Check Engine Light to come on once a vehicle has reached a certain amount of mi

My Check Engine Light has to be reset everytime my oil is changed. But after 2 or 3 days, it comes back on. Sounds like an electrical problem. And the gas light constantly stays on. So now I have to set the "trip" so I know when i am due for fuel. How can i get this repaired without it costing me a fortune?

June 24, 2011, 12:23 am

Christina O

Our check engine light is constantly on in our 2004 chevy TB... but we have never had a problem with it! And we've kept up with all the needed & recommended servicing & no one can find any issues... I think maybe it is a factory issue... what year is your chevy?

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July 30, 2011, 6:21 am

Natasha S

wished I never brought my 05 i have all the same problems and my power button for my windows accelerates my car.

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