Car Problem Reports

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

GMC Sierra 2500 HD Problem
8 Reports
Me Too

Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007

Engines Affected: 6.0L V8, Gasoline


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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