My Pontiac spits and spudders and check engine soon light flashes and continues
What is your question?
My Pontiac spits and spudders and check engine soon light flashes and continues to flash wen at 40mph or high speed I changed plugs wires mass air flow replaced injector seals new thermostat sensors new fuel filter I got a code for bank 1 system to lean so changed upstream sensors haven't changed downstream yet but also getting air in my fuel line somewhere with fuel pump bc of starring problem and have to let the air out the line where u check ur fuel pressure what do I do I know I have to replace other sensor but was told to check into replacing ignition coil packs and module and crankshaft and camshaft sensor I don't know what eles to do or wat it could be anymore and the spitting and spuddering ain't getting worse but standing at the rear the exust is bad and some times gets into the cab?????????????
What makes this problem better or worse?
It's worse eaither way hot or cold
How long has your 2004 Pontiac Grand Prix had this problem?
RepairPal Certified shops can diagnose and repair your 2004 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Testing things will find your problem(s),replacing/throwing parts/money at it is not TESTING,only draining your pockets guessing at it! DO NOT drive at any speed,0-10-40- or 65,Tow to a Repair shop or fix the misfire.
