Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on GMC Sierra 2500 HD

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: 112,525 (112,525–112,525)
Engines affected: 6.0L V8, Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
8 people reported this problem
0 people shared problem details
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