2008 Pontiac Grand Prix Repair Question
Topics covered: Engine, Spark, Check engine light.
Mileage: 75,000 miles.
Mileage: 75,000 miles.
Asked on January 3, 2013
Pontiac Grand Prix Engine Problem
When i started my car this afternoon i noticed it was running rough, and when i opened the hood the engine was running really rough (shaking) and under acceleration it still runs rough. It has a 3800 motor in it. It almost seems like there is a cylinder missing possibly. Does this car have a coil pack and if so maybe it went bad? Thats all i can think of or possibly a bad spark plug or wire.. Please any info would be greatly appreciated. Thanks.. car has ran great before this happened.
Asked by (pending member)Answer
Replied on January 3, 2013
check engine light on??
i would start with basics. compression test, spark and fuel pressure. after the failure is determined, then you only replace the bad parts
Roy
Replied on January 26, 2013
I am having the same issues... with about the same amount of miles on mine too... I had the plugs and wires replaced... worked for about 10 miles and started all over again... I am having the coil fixed on monday... I will let yah know how it goes
Kori