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.
Average mileage: 138,702 (83,000–230,000)
Engine affected: 5.7L V8
17 people reported this problem
Had this problem with 01 tahoe...cleaned the Throttle Body..worked like charm. Wondering, though, how often this should be done to prevent problem from reoccuring.