Car Problem Reports
Ford F-150 Engine Runs Rough at Idle
Ford F-150 Problem
Exhaust & Emissions Affected: 5.4L V8
Average Mileage: 138,767 mi (50,000 mi - 263,456 mi)
Visitor, 2003 Ford F-150
clean out the EGR with cimtool.
Visitor, 2003 Ford F-150, 50,000 mi
At Idle my F-150 5.4L runs with an intermittent roughness. Not noticeable on the tachometer but you can feel it. No codes on the OBD. Going to try engine/plug tune-up.
Rough idle with AC on
EGR code verified for free at Advanced Auto Parts, they can check the codes for free but will not clear them. Autozone also provides this service.