Ford 4.6L Modular V8
4.6L misfire & spark plug blow-out repair
Misfires and ejected spark plugs on the 4.6L 2-valve.
Why this matters on the Ford 4.6L Modular V8
The 2-valve 4.6L has limited spark plug thread engagement; plugs can blow out, damaging threads and the coil.
Symptoms owners notice
- Loud ticking or popping
- Misfire
- Damaged coil
What we check
- Plug thread inspection
- Coil test
Repair work involved
- Thread insert repair
- Coil replacement