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Unread 06-20-2013, 05:49 AM   #1
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1999 XJ Cherokee 
Join Date: Apr 2013
Location: Grand Haven, Michigan
Posts: 89
pcm or ecu update on 97 or newer cherokee?

anybody ever heard of this. I read something on another forum, wondering if its true

the post mentioned something about a "software update" done at a dealership that adjust fuel curves, and timing?

I guess it makes the jeep more efficient...

just curious if anybody here has heard of that or not, and if so how much it would cost

Stegs is offline   Reply With Quote

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