GMC
Sierra 2500 HD
10

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

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: 186,262 (112,525–260,000)
Engines affected: 6.0L V8, Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
10 people reported this problem
Comments
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Loss of power and slight misfire.