Car Problem Reports

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

GMC Sierra 2500 Problem
10 Reports
Me Too

Model Years Affected: 1999, 2000, 2001, 2002, 2003, 2004

Engine Affected: Gasoline

Average Mileage: 148,100 mi (112,000 mi - 200,400 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.

Ask a Question