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2000 GMC Savana 3500 Question: van sat for 4 months. start van runs rough,won't idle.232000 on van.fuel pump?



bigken13, Pasadena, MD, April 10, 2013, 18:53

van ran fine before starter broke.just replaced starter,now van is running rough,won't idle when foots of gas. can't see any vacuum lines off or broke.sucks bad ongas mileage,9-11 mpg.could it be possible fuel filter and/or pump?

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  • Answer #1

    April 10, 2013, 20:31

    check fuel pressure a mouse might have made a home in your GMC might be chewed off wire

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