Question about 2001 Pontiac Grand Am SE

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Pontiac 2001 Clarification

No I do not have a CEL. To clarify issue we replaced plugs coils and coil pacs to try and smoth out idling and dying engine. This did not fix the problem. We then changed the computer and the car backfired now it won't start at all and the radio and door locks are not working. Please let me know if you have a solution. Thanks.

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If you just replaced the computer. you may need to put the PCM (Power Train Control Module) in the 'learning' mode to allow it to access all the parts of the car. Everything not working, and not starting after a computer change is sometimes normal if the PCM is not in the learning mode. To put in a learning mode you need an advanced OBDII 1 or 2 reader. It allows you to control parts of the PCM. let me know if this helps.

Posted on Aug 14, 2008

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