Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on GMC Sierra 3500

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: (–)
Engine affected: Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
7 people reported this problem