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2002 Chevrolet Avalanche 1500 Question: service engine light



escobedo1984, Saint Louis, MO, June 23, 2010, 17:06

I just parked my truck and came back out side to it starteded up then all the sudden it started to vibrate really bad and service engine light came on while it was just idling felt like truck wanted to just die but while driving it works fine what could be causing this

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  • Answer #1

    June 23, 2010, 18:22

    Sounds like a misfire, leaking injector, failing fuel pump or could be something else. It's really hard to tell without running a few tests and checking for diagnostic trouble codes in the computer. I suggest starting with checking those codes with a scan tool.

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    escobedo1984, June 23, 2010, 18:33

    OK ty

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