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2001 Chevrolet Express 3500 Question: Cylinder misfire on 7

 

Question

William David Llewellyn, 5.7L V8, Cumberland, MD, June 15, 2011, 18:56
 Rookie

Service engine soon . Code said it was cylinder 7 misfire . What all should I look for that will cause this problem.

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  • Answer #1

    DaveJHM June 15, 2011, 22:42
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     Master

    Most misfires are caused by ignition issues - such as a spark plug or ignition wire that has failed or has excessive spark leak.

    You could also have an injector issue, but I'm pretty sure you'll find your issue on the ignition side.

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    William David Llewellyn, June 16, 2011, 21:18
     Rookie

    Found wire off spark plug.
    Thank for your help. Thought it may be more complicated.

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    DaveJHM, June 16, 2011, 21:47
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     Master

    Fantastic! Glad it was an easy fix. Thank you for visiting RepairPal!

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