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Pcm I put a new pcm in a 2002 chev cavalier. The car will not start with that pcm in it. When the stock pcm is put back in it the car starts up. How do I get the car to start after I install the new pcm Lee
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sounds like there is a problem with the day time running lights my does the same thing but because i installed HID light so i no long have day time lights try changing headlight bulbs if not then its a short
the pcm may have a cracked board, i had an 88 cavalier z24 with the same problem, replced the ecu and it ran fine, the problem is that the boards inside the pcm crack and lose connection, the next time it acts up open the glove box and try tapping on the pcm, if the car responds at all, the pcm is bad
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