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jlarue
10-30-2018, 12:32 PM
my name is john I am the original owner of a 91 zr1 with 3800 miles and I need a ecm. my ecm has been sent out and cant be fixed my car runs super rich???. any help would be extremely helpful.
phrogs
10-30-2018, 03:52 PM
Post in the parts wanted section

also who did you send it to for the fix? Id say if your running rich is it really the ECM?
jlarue
10-30-2018, 05:07 PM
yes I did I am a ase master tech. plug it into a different zr1 and it runs rich plugged his computer into mine and it runs fine.
FU
10-30-2018, 05:37 PM
Contact Haibeck Automotive Technology in Addison Illinois. Marc has been repairing the ECMs for a while now.
RussMcB
10-30-2018, 07:32 PM
An option is the MS3-Pro from DIY Tune (aka MegaSquirt). It is a stand alone, aftermarket ECU. https://www.facebook.com/diyautotune/posts/more-info-on-the-gen2/10152736440630933/