One or More Spark Plugs May be Ejectioned From the Cylinder Head on Ford F-150 Heritage

There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.

RepairPal Verified
Average mileage: (–)
Engine affected: V8
1 model year affected: 2004
1 person reported this problem
0 people shared problem details
Related Items:
On higher mileage vehicles, one or more EGR orifice in the intake manifold may plug with sludge...
An illuminated Check Engine Light could indicate that one or more of the ignition coils has fai...
doesnt seem to want to go into first gear an first. Once I put into second and then into first...

Related Content