I have a 2003 Grand Prix Pontiac 3.1 I just put a fuel filter and a fuel pump on know it don't start up unless I got my foot on the gas pedal. Can u tell me what to do?

Asked by Sep 08, 2015 at 09:46 AM about the 2003 Pontiac Grand Prix GT

Question type: Maintenance & Repair

3 Answers

Can u help me Please??

95,085

check the pressure could be fuel pressure regulator..https://www.youtube.com/watch?v=bwKM99P3LwM if not take look for defective Idle Air Control valve or vacuum leak..

Thank You

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