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1999 Chevrolet Silverado 1500 Question: random cylinder mis fire

 

Question

shawn000303, V8, Pilgrim, KY, April 13, 2009, 21:57
 Enthusiast

check engine light comes on and engine runs poorly,code is random cylinder mis fire,light will go off on its own,and truck will run normal again,noticed if i pull out at high rpm's light will come on everytime,or put a strain on engine it will too.

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  • Medium-star Best Answer
    Bret Bodas from RepairPal Test Shop, April 14, 2009, 15:41
     Master

    If the check engine light is flashing, you are experiencing a misfire, and you need to have it looked at very soon, failure to do so may result in damage to the catalytic converter. See this article about check engine lights, and what to do: http://repairpal.com/check-engine-light

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  • Answer #2

    Visitor, March 11, 2010, 10:48

    Did you fix your problem? I'm having the same issue and have done the same things you have.

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  • Answer #3

    Visitor, December 25, 2010, 21:01

    check fuel pressure bad fuel pump

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