Stalling or Low Engine Idle Speed Due to Dirty Throttle Body: GMC Sierra 1500 Engine & Powertrain

Problem overview

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.

10 people reported this problem

2 comments

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GMC Sierra 1500 vehicles with this problem

7 model years affected

Average mileage: 141,500 miles

(108,000 - 175,000)

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

Problem overview

GMC Sierra 1500 vehicles with this problem

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