2003 Ford F-350 Super Duty Q&A
2003 Ford F-350 Super Duty Question: SPARK PLUG GAP
WHATS THE GAP - Visitor
.052" - .056" is the spec. - DaveJHM
...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...