91 zr1 ecm needed [Archive] - ZR-1 Net Registry Forums

jlarue

10-30-2018, 05:14 PM

I am the original owner of a 91 zr1 with 3800 miles need a ecm 1990 to 1995 will work any help will be great.

91vettezr1

10-30-2018, 08:05 PM

I am the original owner of a 91 zr1 with 3800 miles need a ecm 1990 to 1995 will work any help will be great.

try zr1specialist.com ,he rebuilds them

G8nightman

10-31-2018, 12:10 AM

They are not chip good luck with your search.

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mhobtr

11-02-2018, 12:20 AM

PM sent.

klork

11-02-2018, 03:06 PM

Not sure if they are the same but I have a 90 PCM

G8nightman

11-03-2018, 12:49 PM

It will work you just need the right chip.

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Ccmano

11-03-2018, 04:13 PM

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
:cheers: