Sludge build up in the throttle body can cause a poor engine idle, stalling, and/or hesitation. The correction is to install a new idle air control valve spacer kit to prevent the sludge build up, set the base idle, and clean the throttle body.
Average mileage: 89,000 (79,000–99,000)
Engines affected: 2.3L 4 Cylinder, 3.0L V6
13 people reported this problem