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Old 11-03-2018   #7
Ccmano
 
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
Default Re: 91 zr1 ecm needed

Quote:
Originally Posted by klork View Post
Not sure if they are the same but I have a 90 PCM
All ECMs 90-95 are interchangeable per Haibeck. It’s the Memcal chip that is unique to the year of the car. Those can easily be swapped. As someone already said, send it to Haibeck and let him diagnose and possibly fix it. It may well turn out the ECM is not the issue.
H
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