Hummer Forums - Enthusiast Forum for Hummer Owners - Rough idle 2 mins after cold start

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Hummer Forums - Enthusiast Forum for Hummer Owners (https://www.hummerforums.com/forum/)

- Hummer H3 (https://www.hummerforums.com/forum/hummer-h3-17/)

- - Rough idle 2 mins after cold start (https://www.hummerforums.com/forum/hummer-h3-17/rough-idle-2-mins-after-cold-start-42722/)

TAINTER

Mar 3, 2020 10:58 AM

Quote:

Originally Posted by Rolltide (Post 371175)

Found fix to idle issue. Replaced EVAP purge control valve and now idles fine during cold start.

THANK YOU for coming back and letting us know what worked to fix your symptoms! :D
Most don't.
So it's a guessing game for the next person who has the exact same symptoms.

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