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Thread: Truck missing at idle

  1. #31
    Registered User
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    So i finally installed the MSD coils huge difference i the idle but notice yesterday it was still missing at WOT i'm not sure if its do to the gap i recently changed on my spark plugs from .037 to .034 if anyone could really would appreciate it and also want to thank all of you for being helpful while my truck was down THX.

  2. #32
    needs more cowbell!
    Name: Sheridan

    steinjr's Avatar
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    Sep 2005
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    Dallas, Texas
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    .034 might be a little close for that boost level... but at this point it sounds like you must have a vacuum leak somewhere.

    Post some pics of your old spark plugs. That might tell a story that can help us figure out what is going on.
    Yes officer... I am aware of how fast I was going!

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