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2002 Chevrolet Tahoe Question: why does Service engine light come on flash, sometime it stays on?

 

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repair novice, Nome, TX, February 11, 2014, 10:51
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Engine misfires esp when it's cold. This is daily. I've had it checked at the dealership stated they didn't find what is wrong except a misfire.

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  • Answer #1

    G. T. Service Center (3051 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG February 11, 2014, 10:53
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    Have the upper induction service done to clear the carbon.

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  • Answer #2

    pushrod February 11, 2014, 15:00
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    Have seen these with vacuum leak at intake manifold gaskets,, until engine warms up! Manifold expanison.

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