Ignition Coil Failure Due to Excessive Spark Plug Gap on Ford F-150 Lightning

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: (–)
6 model years affected: 1999, 2000, 2001, 2002, more2003, 2004
6 people reported this problem
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