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Old 11-04-2008, 04:14 AM
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Unhappy PCM Fried?

So the other day i was driving home and my voltage regulator went out and was over charging the system. had the alternator rebuilt and everything was ok. after about a day the truck just died. after digging around i found the keep alive memory fuse to the pcm was shot. replaced the fuse, engine cranked and now it wont move 5 feet before blowing the fuse. it will idle all day long. checked my codes and get 0603 and 0605. pretty sure my computer is fried. its got a chip in it. its supposed to be a bully dog but it dont have any stickers on it so im not sure. do you think the chip is still good? i dont want to put anothere computer and reuse the chip and fry it again. i called ford and they want $450for one. does it have to be the exact computer or can i get one from a junk yard that will work? if i get one from a junk yard can they be reprogrammed? ive heard that computers can be reprogrammed for different configurations but i dont know where. Oh yeah its a 97 F250 PS 4x4 auto.
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Old 11-04-2008, 04:24 AM
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Quote:
Originally Posted by CaterpillarTech View Post
So the other day i was driving home and my voltage regulator went out and was over charging the system. had the alternator rebuilt and everything was ok. after about a day the truck just died. after digging around i found the keep alive memory fuse to the pcm was shot. replaced the fuse, engine cranked and now it wont move 5 feet before blowing the fuse. it will idle all day long. checked my codes and get 0603 and 0605. pretty sure my computer is fried. its got a chip in it. its supposed to be a bully dog but it dont have any stickers on it so im not sure. do you think the chip is still good? i dont want to put anothere computer and reuse the chip and fry it again. i called ford and they want $450for one. does it have to be the exact computer or can i get one from a junk yard that will work? if i get one from a junk yard can they be reprogrammed? ive heard that computers can be reprogrammed for different configurations but i dont know where. Oh yeah its a 97 F250 PS 4x4 auto.

Shoot me a pm, I have some pcm's available. And no don't use that chip on a new computer.
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Old 11-05-2008, 12:26 PM
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Kinda off topic but i noticed on my air box there is a ford service sticker dated 1999. Said ecm reflashed and a new # wrote down.

Wonder what that was all about?
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Old 11-07-2008, 08:18 AM
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Quote:
Originally Posted by 95PDXLT View Post
Kinda off topic but i noticed on my air box there is a ford service sticker dated 1999. Said ecm reflashed and a new # wrote down.

Wonder what that was all about?
Someone took it in for service and they flashed the PCM with new code
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