A defective thick film ignition (TFI) module can cause the engine to stall while driving, or the engine may not start. A failed TFI module will require replacement.
Average mileage: 91,558 (16,234–150,000)
Engines affected: 4.6L V8, 4.9L 6 Cylinder, 5.4L V8, 5.8L V8
10 people reported this problem