Thread: Code p0304 misfire 4

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  1. #1 Re: Code p0304 misfire 4 
    kcfalcon2000
    kcfalcon2000 is offline
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    Default 06-10-2011
    What is the best way to check the fuel pressure. OBDII on this does not have the data on fuel pressure. Would Oreily auto have a gauge I can borrow?
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  2. #2 Re: Code p0304 misfire 4 
    SlowNA06
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    Default 06-10-2011
    Never hurts to ask.
    You just hook up a fuel pressure gauge to the shrader valve under the black plastic screw-on cap on the fuel rail over the intake.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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