Chevrolet
Impala
11

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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 134,632 (70,230–238,567)
Engines affected: 3.5L V6, 3.9L V6
3 model years affected: 2006, 2007, 2008
11 people reported this problem
Comments
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Engine starts for about a min then stalls after starting back up will run normally no idle problem or anything just cuts off when first started
Tune-up had been done at the time the car started running ruff in every gear. After the tune-up was done the problem still remained within every gear. Took it to a repair shop and they did a fuel system cleaning (Throttle body clean, cleaner ran thur engine, and stuff add to the gas) this helped the car a lot( this costed $99.95 at my local shop). The car still has a slight ruff running idle to it at 600-800 rpm, but it is getting better and helped it a lot. The throttle body might need to be cleaned again later down the road after afew weeks. Hope this helps you guys with your car, thanks