2005 Ford Expedition Repair Question
Topics covered: Body, Spark, Spark plugs.
Mileage: 140,000 miles.
Mileage: 140,000 miles.
Asked on October 13, 2012
Rough running 2005 expedition
2005 expedition blew two codes for cop's. replaced and replaced plugs, no codes now however, it still has hiccup while idle and at coast at highway speed. Repaced VCT's both sides still running rough, not while accelerating just at slight pedal pressure.
Answer
Replied on October 13, 2012
What were the codes retrieved? Are the codes still there?
Replied on October 14, 2012
0300, 0355, 0358 i beleive if I remember correctly. Anyway I reviewed to cylinder 5 and 8 coil fault.
Replied on October 14, 2012
The codes should be interlinked and now that the coils were replaced they have been rectified. The hesitation and rough idling could be due to low idling speed.
Try cleaning the throttle body and IAC and retest.
Are the spark plugs of the recommended specifications?