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P0640 Diagnostic Trouble Code Discussion for November 2009

Intake Air Heater Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0640
Help Request Posted
2000 Pontiac Bonneville SSEi 3.8L Excessive Emissions, Poor Idle Quality, Misfire
P0640: testing and results. firts off this is not a car guys this is my project sand rail i got the motor, wire harness and pcm out of a wreck bonneville 3.8 supercharged no enigne damage just rear hit. had pcm sent out for programming to remove trans,bcm,ect only rear o2 sensor was remo...
November 19, 2009