Defect.Files
File · FORD-5-4-TRITON

5.4L Triton 3-valve spark plug ejection

Manufacturer
Ford
Years
2004–2008
Category
engine
Recovery range
$2k – $10k
What it is

3-valve 5.4L Triton engines eject spark plugs from the cylinder head, sometimes destroying threads. Repair costs $500–$2,500 per cylinder. Class action settled.

Models affected
  • F-150 (20042008)
  • F-250 (20042008)
  • F-350 (20042008)
  • Expedition (20042008)
  • Mustang (20042008)
Symptoms owners describe
  • spark plug
  • blown plug
  • misfire
  • ticking
  • loss of power
Citation

In re Ford Spark Plug Litigation

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