ECM problem
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Member
Joined: Feb 2011
Posts: 237
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Year: 1994
Model: Grand Cherokee
Engine: 5.2L V8
ECM problem
I have now gone thru 2 computers in the last 18 months. Has anyone else had this problem? Know what may cause it? I don't want to have to keep replacing it.
Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
Likes: 741
From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
Check the wiring harness and connector pins. If your getting a 12 volt input where a 5 volt sensor input should go, Poof!
CF Veteran
Joined: Feb 2010
Posts: 12,367
Likes: 23
From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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