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1999 Chevrolet Silverado 1500 Question: check engine light

 

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bjdealer47, V6, Oakville, WA, April 09, 2009, 01:08
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Check engine light comes on intermittently...especailly when hauling a load.

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  • Answer #1

    April 09, 2009, 05:40
     Journeyman

    There are many reasons why the check engine light comes on. Using a scanner is needed to pull the diagnostic code, and from there the system will have to be diagnosed.

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  • Medium-star Best Answer
    Visitor, December 25, 2010, 21:21

    check fuel pressure bad fuel pump

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