Question about 2001 Pontiac Grand Am SE
If i hit the gas, above 2nd gear the car runs fine, but when i slow at a stop sign etc the car begins to stuggle to stay on and if i'm at the light long enough, it will shut down completly.
any suggestions. also the trac off light came on at the same time this idling trouble began.
It sounds like a problem with the air/ fuel ratio. First thing I would do is to take the throttle body off of the intake and give it a thorough cleaning. It is possible that it is encrusted with carbon deposits. You are going to need to remove all of the sensors and get in all of the passages with a small pick to remove the large deposits and an old tooth brush with some paint thinner to get everything else. After that, reassemble the throttle body and reinstall it on the car.
Also decarbonizing the engine with some Seafoam to clean out the inside of the engine should help as well. (just follow the intructions on the bottle or check out "How to Seafoam" on YouTube. That stuff is great) If that doesn't work then you may need to have the car checked out by a qualified professional.
Posted on Jul 30, 2009
Check the spark plugs on your car maybe they are not gap right or might of crack
Posted on Jun 24, 2009
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Posted on Jan 02, 2017
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