Grand Prix GT Jerking

2005 PONTIAC GRAND PRIX
88,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RACCHH21
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  • 1 POST
enter your question...2005 Pontiac Grand Prix Gt stalled out three times at the gas station after i put gas in it when i put it in drive it was fine until i touched the gas the car started******** violently and jumping between 1000 and 3500 rpms. when its wasnt******** it still runs at 3500 when im on the gas even at 25mph.... put premium gas in (full tank) and fuel injector cleaner.... and now its fine, am i going to have bigger problems
Mar 3, 2011 at 5:25 AM
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RASMATAZ
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  • 75,992 POSTS
Lack of acceleration,chugging,hesitating********,bogging,misfiring etc. could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.
Mar 3, 2011 at 10:38 PM