Quote:
Originally Posted by ShinZ4
Update:
My mechanic had it over the weekend and checked everything. He noted that the Throttle Body had a lot of carbon build up so he cleaned that out. Otherwise, everything was fine.
Currently at 60 miles post throttle body cleaning. I'll keep you guys posted.
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My Wife's Suburban had the same issue.
The throttle body and plate each had a big ridge of carbon.
With fly-by-wire-throttle and no bypass valve it's important to be able to idle through the small gap when the throttle's
almost closed, so the carbon build up gives it fits.
Hope that solves it for you. Worked for me.