Yukon Denali

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

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: 97,500 (60,000–145,000)
8 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2011
14 people reported this problem
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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.