Vehicle Stalls While Driving, or Will Not Start – Engine is Warm on Ford E-150

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 145,000 (90,000–200,000)
Engines affected: 5.0L V8, 5.8L V8
2 model years affected: 1990, 1991
4 people reported this problem
Viewing 1 - 2 of 2 problem details
Engine stalls at let off on road and at idle when hot. Excess gas consumption. Several codes detected. Cked. gas pressure at injector rail and found it was 3 times higher than specs. Changed relay and all is ok.
I have a 90 crown Vic that jus recently started acting up with these same sympoms and havent had a clue as to what it could be I sure hope this is it, I'll be fixing that this weekend and update.