Question about 2001 GMC Jimmy

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  • Ginger Wood
    Ginger Wood Feb 18, 2012

    have replaced fuel pump and fuel presure great and also replaced passlock, and computer under dash ecm , now been told that here is another computer ? i'm so confused on this , now i don't know what to do ?


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Hi Ginger, I think the best course of action for you to take is to have a diagnostic scan carried out on your vehicle. If nothing turns up have the fuel pupm output pressure tested and replace the fuel filter. regards John

Posted on Feb 17, 2012

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