Question about 2002 Pontiac Grand Am
Running ok day before. started next morning running rough, service engine soon light flashing indicating missfire. car has very little power
I had that problem once. when i got under half a tank of gas in the tank. What i did was i dumped one bottle of gas line deicer in the tank and i have never had it agian. you may have some water in the tank. from condasation or i have a stong feeling i got my water from the gas station. i was using the same station all the time. so i tryed another gas station and so far no more rough idleing which was caused by the water i think and i am getting better fuel milage to. i hope this helps.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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