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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Got some crazy problem?!

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Old Oct 14, 2008 | 01:46 PM
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Originally Posted by LT1
Sounds like you found the problem, the knock module might have not been plugged in all the way.
Possibly but it was never touched. And its held in with screws correct? I still think there was some sort of anamoly in the PCM that was caused by the short. And by 100% disconnecting the PCM is reset itself or something. I can't figure it out. And that bugs me.
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Old Oct 14, 2008 | 03:14 PM
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yeah i think it reset itself when you disconnected it!
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Old Oct 14, 2008 | 03:38 PM
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Originally Posted by Ihasfip
Possibly but it was never touched. And its held in with screws correct? I still think there was some sort of anamoly in the PCM that was caused by the short. And by 100% disconnecting the PCM is reset itself or something. I can't figure it out. And that bugs me.
The actuall module is pushed in held by a push clip. The 2 screws only hold down the cover. Its still possible for it to be not all the way in. I was thinking maybe over the years the vibration or something caused it to walk out.

Unplugging the PCM wont reset anything, besides erasing all stored codes and maybe having to relearn fuel trim and IAC. This does seem like a anamoly no doubt lol
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Old Oct 14, 2008 | 04:00 PM
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Originally Posted by LT1
The actuall module is pushed in held by a push clip. The 2 screws only hold down the cover. Its still possible for it to be not all the way in. I was thinking maybe over the years the vibration or something caused it to walk out.

Unplugging the PCM wont reset anything, besides erasing all stored codes and maybe having to relearn fuel trim and IAC. This does seem like a anamoly no doubt lol
No doubt. Hopefully it is fixed and I won't have to go through this BS again.

Thanks for the help guys.

D
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Old Oct 14, 2008 | 04:31 PM
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Originally Posted by Ihasfip
Well this is a whole fucked up thing. This morning we pulled the PCM out and took it apart to see if it was burnt or smelled burnt. We pulled the knock module out. No burnt smell. So we put it all back together put it back in and it runs fine. No problems. Driven 20 miles without a problem. I'm baffled.

D
Glad you got it fixed. What you described in your first post sounded like it was knock related, that's why I said that in my first geuss..
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