post #1 of Old 06-20-2013, 05:49 AM Thread Starter
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2012 JK Wrangler 
Join Date: Apr 2013
Location: Grand Haven
Posts: 106
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  

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