Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on Chevrolet Avalanche 1500

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.

RepairPal Verified
Average mileage: 136,144 (90,000–216,670)
5 model years affected: 2002, 2003, 2004, 2005, more2006
14 people reported this problem
5 people shared problem details
engine skip when idle on D
STalling ,Erattic idle speed, Cleaned Throttle Body,Ok now
idling problem
Being worked on right now. ruff idle , close to stalling.
Stalls out at low speeds.
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