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Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.

Engine Idle Shutter

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Old 12-04-2010, 08:01 AM
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Originally Posted by Tuto
I agree with it being a Pollution/Emission control issue related to the O2 sensor (slow response and ECU programming)

For those of you going to the dealer have them check the
Service Bulletin Number 18-027-10
Group: Vehicle performance
Date: Oct 20,2010
I gave them this bulletin# yesterday at the dealership, not sure if it was from this or their idea but they flashed my cpu and said there was an updated setting available for the o2 sensor. So who knows, I havent driven enough yet to know if anything has changed. Even when I dropped it off yesterday it seemed to be running fine and I hadnt noticed the shutter in a few days anyways. I guess if it still does I will just live with it too!



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