F-350 Super Duty

Ignition Coil Failure Due to Excessive Spark Plug Gap on Ford F-350 Super Duty

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: 149,000 (68,000–230,000)
Engines affected: 5.4L V8, 6.0L V8 Diesel Turbo, 6.8L V10, 7.3L V8 Diesel Turbo, Gasoline
8 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006
13 people reported this problem
Viewing 1 - 2 of 2 comments
I lost power when drive my truck and a have check engine light too problabili it my tank because the most people have same problem I think need clean the filter inside the line diesel when I do if fix we send note what happen
Have not made the repair yet, just had the service engine light come on, and checked it at AutoZone. this sounds like my problem