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 changing pcm

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Name : Kenneth
Age : 35
Location : Roseville, MI
Joined : 2008-05-17
Post Count : 709
Merit : 6

PostSubject: changing pcm   Wed Sep 24, 2008 7:52 pm

hi i have a 1997 series 2 in my 95 riv ( swppaed motors) however my ses light is on so i go to autozone and they couldnt read the computer. i was told by two autozones and a member on here that the pcm probably wasnt changed over when i swapped motors, hence the reason why it wont read on the scanner. anyone know how to access the pcm, and also, i found an alternate on ebay for grand prix, lesabres etc that have series 2 motors, can i use one of these computers or do i have to have the same year computer as the cars motor?
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Location : Enfield CT
Joined : 2007-11-28
Post Count : 769
Merit : 25

PostSubject: Re: changing pcm   Thu Sep 25, 2008 9:39 am

There are a few different ways to go about it.

You could find a place with a scanner that will read both OBD 1 and 2. I think the actron 9145 reads both.

You can try to change the pcm and wiring. This might be a major undertaking with the pcm being inside the passenger compartment.

You could probably use a different wiring harness that has the pcm in the engine bay and feed only the necessary wires into the cabin.
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Riviera Performance ::   N/A 3800 Tech :: Series II N/A Engine, Transmission, PCM-
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