Question about 2000 Pontiac Grand Am GT

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My 2000 Pontiac Grand Am has been sputtering for a while, it has trouble gaining speed and will miss several times while driving. Once the RPMs catch it will gain speed, but it still misses. My ABS light and "trac off" light will come on but will go off. I've replaced the coil packs, spark plugs & wires, as well as the fuel filter.

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This may be totally off base but my 2002 Lesabre with the 3.8 litre engine was running like this and it was the ignition control module. It is under the coil packs. The engine would start ok and idle ok but run like heck when trying to drive it. Are you getting any codes? Mine was random misfiring. The ignition module was about $150 and relatively easy to replace. Make sure everything is clean when it goes back together.

I don't know why the abs and trac off lights are going on and off unless there is a short somewhere.

hope that helps. if not repost your problem.

Posted on Apr 05, 2011

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