2000 GMC Savana 3500 Question: van sat for 4 months. start van runs rough,won't idle.232000 on van.fuel pump?
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? - bigken13