Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on Hummer H2
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.
12 people reported this problem
4 commentsHummer H2 vehicles with this problem
Average mileage: 118,000 miles
(90,000 - 164,000)
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