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-   -   pcm or ecu update on 97 or newer cherokee? (http://www.jeepforum.com/forum/f177/pcm-ecu-update-97-newer-cherokee-1538912/)

Stegs 06-20-2013 05:49 AM

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


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