Thread: misfire issue

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  1. #1 misfire issue 
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    ok here is the deal. I have a 04 gtp with cold air and exhaust nothing major. But im having this misfire issue it only happens in high boost and at idle when first started. ive replaced plugs with oem ac delco ones and wires and coils it still does the same thing. please help.
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  2. #2 Re: misfire issue 
    The mod from over yonder TheOtherNick's Avatar
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    Check your fuel pressure could be a pump going out.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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