Question about 1999 Chevrolet Tahoe

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99 chev pu failed inspeciton - mil did not come on

I went to get my truck inspected today and it failed due to the mil light. I was told it should come on when the truck is started and the go out.

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You were told correctly. Won't pass inspection if it's on.Get it scanned and please write down the area pertaining to the codes found. Most people on this site got a thing for auto part stores and anything free. Go to an ASE cert repair facility and even if you go home and work on it your self you'll know what area to start your troubleshooting on. Disconnect the battery only after you get the codes and if them don't clear them with the scan tool

Posted on Sep 26, 2009

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YES, it should. either someone took the bulb out, or its burned out, or the ecm is not grounding the bulb (ECM is BAD), or the wire between the light and the ecm is broken. sorry I could not be more help

Posted on Sep 26, 2009


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