Sierra 1500 Hybrid

Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on GMC Sierra 1500 Hybrid

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: (–)
2 model years affected: 2007, 2009
2 people reported this problem