Chip or pcm problem - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 08-26-2012, 12:57 PM Thread Starter Fanatic
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Chip or pcm problem

I have an early 99 f-350 which i bought rolled over. I put another cab on it and just got it running. I put bigger injectors in it and a bigger turbo. The truck will run fine until i plug the chip in then it shuts off just like you turned the key off. I tried two different chips and they both do the same. I double checked the terminals to make sure i had it cleaned up good where the chip plugs in. they are clean. Any ideas would be appreciated.
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post #2 of 2 Old 08-26-2012, 02:34 PM
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You should install the chips with the motor off. I don't know if that is causing the issue, but it can't be good on the chip or PCM.

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