Question about 1993 Pontiac Grand Am

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I have a 1993 grand am with the 2.3, and I am stumped. The car starts right up, but it does not have any power. You can't get the car over 20 to 30 mph. It does have a little smoke through the exhaust, I checked the oil, there is no creamy film there, thinking head gasket. I thought maybe timing also, but it throws me off because it starts right up, engine runs rough when you push on the throttle. Anyone have any suggestions? Thanks Joe

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There could be a lot of things, but check these two simple ones first. The most likely thing is a bad plug wire, or possibly a bad plug caused by a bad cylinder. But the plug wire is most likely.

The second possibility: Plugged converter. check this by loosening exhaust ahead of converter and then try running the vehicle.

Posted on Jun 29, 2009

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