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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
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