Question about 2003 Pontiac Sunfire

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Track light My car jerks forward terribly right when i first take off because the track light comes on saying "trac off" this isn't caused by me turning it off, it just turns on randomly.. hasn't done it in a long time, then i had my tires rotated and it started back up (as I thought it would).. when that light is off it drives normal.. any ideas on how to fix this or what might be causing it?

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I had tha same deal with my sunfire..thought it was a bad computer since shift points in trans ans trac is computer controlled. it was a computer problem but there was a wire on tha front side of engine close to tranny that was gounding out every so often as car was being drove which caused computer to get bad signals which caused it to change setting causing rough shifts and jerks and the trac problem. after wire was taped up no more problems

Posted on Feb 04, 2009

Speed sensor on your wheel you have one for each side ,the car does a check usually when you first take off.could be the connector to it also when mine went out got the big three =trac off,abs,and service light.a diagnostic should tell you which one is the problem,hope this helps

Posted on Oct 06, 2008

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