Service & Repair Manual

My car is a 2002 Chevrolet Trailblazer, I have problems with the check engine and reduced engine power that always comes on, particularly when the engine is cold. Please help and thanks.

Answer: The reduced engine power light works like this, in the power-train control module, a fault code will be set everytime the reduced engine power light comes on. So, you can follow the related diagnostic information to help you to find out the cause of your reduced engine power light coming on.

What does the mean of “check engine oil life 95%on my 2005 Chevrolet Avalanche 1500?

Answer: this means you have 95% oil life left. This is a system that alerts you when you should change your oil next. But you should change your oil based on suggested length of time and or mileage and not rely on this.