Problem Reports

GMC Sierra 2500

Report: Stalling or Low Engine Idle Speed Due to Dirty Throttle Body

GMC Sierra 2500 Problem

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

Engine Affected: Gasoline

Average Mileage: 121,000 mi (112,000 mi - 130,000 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.

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Visitor, 2004 GMC Sierra 2500, 130,000 mi

low idle, stalling but not all the time,pullover and restart and it runs fine.fuel pressure is good they say,dirty throttlebody???bout ready to trade it in need reliable trans for wife and 3 kids

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Visitor, 2004 GMC Sierra 2500, 130,000 mi

low idle, stalling but not all the time,pullover and restart and it runs fine.fuel pressure is good they say,dirty throttlebody???bout ready to trade it in need reliable trans for wife and 3 kids

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