Car Problem Reports

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

GMC Yukon XL Denali Problem

9 Reports

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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006

Average Mileage: 97,408 mi (62,226 mi - 130,000 mi)

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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trf126, 2002 GMC Yukon XL Denali, 62,226 mi

Rookie
Truck idles really low, will stall sometimes when I make a slow turn

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TV guy, 2002 GMC Yukon XL Denali, 130,000 mi

Rookie
The vehicle would stall at idle. First thought it was an alternator problem since the alternator would drop to zero and the vehicle would stall. Put in new alternator. Same problem. Had throttle body cleaned by shop. Problem solved.

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Like | 2 people like this2
trf126, 2002 GMC Yukon XL Denali, 62,226 mi

Rookie
Truck idles really low, will stall sometimes when I make a slow turn

Flag This

Like | 3 people like this3
TV guy, 2002 GMC Yukon XL Denali, 130,000 mi

Rookie
The vehicle would stall at idle. First thought it was an alternator problem since the alternator would drop to zero and the vehicle would stall. Put in new alternator. Same problem. Had throttle body cleaned by shop. Problem solved.

Flag This

Like | 2 people like this2

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