Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on GMC Yukon Denali

A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.

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Average mileage: 117,916 (60,000–220,000)
8 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2011
12 people reported this problem
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Viewing 1 - 4 of 4 problem details
2002 GMC Yukon Denali 145,000 mi,
Erratic Idle and stalling. Cleaned throttle body and fixed the problem.
2003 GMC Yukon Denali 220,000 mi,
Check engine light came on then I noticed low idle then my traction control disabled came on then a message saying reduced engine power came across I turned it off then started it and it was fine then the next day as soon as i turned it on it popped up i shut the vehicle off then turned on then ran fine untill I slowed down then it stalled and now everytime I start it the message pops up and won't go over 20 mph please help i changed the throttle body sensor it ran perfect for hours then did it again
2001 GMC Yukon Denali 110,000 mi,
Tractoin and check engine illuminate and the car speed and power goes down. I try to disconnect battery and both light went off, unfortunately it comes back later.
2011 GMC Yukon Denali 97,000 mi,