Chevy and GMC Duramax Diesel Forum - View Single Post - Elevated idle not working
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post #2 of (permalink) Old 12-14-2019, 06:43 PM
Duramax Lifetime Supporter
Join Date: Oct 2014
Location: Weatherford Texas on a 25 acre horse farm
Posts: 248
What do you mean "turned on the elevated idle?
Normally you don't have to do anything- if its cold enough it will ramp up the idle speed after a small period of time.
Later in the post you mentioned "high idle"". Two different things- high idle is an option, elevated idle is on all dmax's except maybe the first ones.

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