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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 108,416 (103,833–113,000)
6 model years affected: 2001, 2002, 2003, 2004, more2005, 2006
8 people reported this problem
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When my 2002 GMC Yukon Denali initially starts up, it is a very low idle. Sometimes, but not always, it will stall. It starts right up again but the fcqt that it stalls is very troublesome