Car Problem Reports

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

 
GMC Sierra 1500 HD Problem
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Model Years Affected: 2001, 2002, 2003, 2004, 2006, 2007

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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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