Thread: Check engine code: P0300?

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  1. #1 Re: Check engine code: P0300? 
    The mod from over yonder TheOtherNick's Avatar
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    Start with plugs and wires.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  2. #2 Re: Check engine code: P0300? 
    SE Level Member whodat79's Avatar
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    just like 01 gtp said. find out what the ohms should be on coils. and do the same for the wire but move the wires around a bit to check for breaks in the leads. thats a start
    2000 GP GTP....
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  3. #3 Re: Check engine code: P0300? 
    GTX Level Member imdaman3's Avatar
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    try plugs and wires, but im willing to bet the cat is bad
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