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Old 03-29-2024   #7
tccrab
 
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Join Date: Oct 2004
Location: Folsom CA
Posts: 1,643
Default Re: 1990 ZR1 ECM Needed

I had a very sililar problem some years ago. In my case it was caused by me back probing the injector pins at the ECM plug. Big no no.
https://zr1.net/forum/showthread.php?t=10828
Hope this helps.
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