Car Problem Reports

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

 
Ford F-150 Lightning Problem
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Model Years Affected: 1999, 2000, 2001, 2002, 2003, 2004

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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.