i have a 2002 pontiac grand prix. it will act as if it is flooding out after it warms up. if you push throttle slow and easy it will pic up but jumps as if cutting out going down road. new fuel filter, coil pacs, throttle positions senor, egr valve. HELP

Asked by Feb 26, 2017 at 09:32 AM about the 2002 Pontiac Grand Prix SE

Question type: Maintenance & Repair

we have replaced everything that has coded. car still acting up and there are
no more codes showing on obd2. at a dead end

1 Answer

87,405

I believe you may have a fuel issue. Should do a fuel pressure test to see if there is the proper fuel pressure. Could be a fuel regulator or a bad fuel pump. My guess is the fuel regulator, but should some testing.

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