Question about 2001 Pontiac Grand Prix

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Error lights. I just purchased a 2001 Pontiac Grand Prix, 3.1 engine, auto. 2 days after purchase, the ABS and Trac Off lights have started coming on intermittantly. They can be reset by Shutting the ignition off and back on, but usually come back on shortly thereafter. This occurs when the engine is warmed up (but not overheating). I appears to be a thermal fault in one of the computers, but I can find no reliable info elsewhere

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Have the systems scanned for trouble codes with a scan tool.The ABS and Trac lights are on because there are fault codes stored.Access the fault codes,and they give you a direction that needs repaired.You likely have a wheel speed sensor damaged or just not working.Repair the speed sensor,clear the codes,all systems go.

Posted on Jul 10, 2008

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