Problem overview
An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.
153 people reported this problem
48 commentsFord Expedition vehicles with this problem
15 model years affected
Average mileage: 133,909 miles
(10,245 - 359,000)
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