Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on GMC Yukon XL 1500

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: 135,000 (120,000–150,000)
8 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007
9 people reported this problem
1 person shared problem details
Solved by Throttle Body Cleaning. Watched youtube video on throttle body cleaning for 2003 Silverado. Took me 10 minutes and most of all, it acutally worked!
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