Intermittent rough idle may be caused by the EGR sensor sticking, causing the EGR valve to stay slightly open. Our technicians tell us the valve and sensor must be replaced together to correct this concern.
Average mileage: 45,950 (11,900–80,000)
Exhaust & Emissions affected: 5.4L V8
1 model year affected: 1997
5 people reported this problem