[surfbeast]

I had the same problem. I would be driving down the road and it would die. Then it would start right up and drive fine for a week. Ended up being a bad ground connection. I would replace the positive and negative battery wires and check a few of the other grounds. Mine was the ground wire that is on the drivers side right next to the radiator. After replacing wires and removing and re-attatching the ground wires I have never had another proble.

A Ford tech and 10 other mechs could not figure the problem out. I think Hammer gave me a clue and I ran with it and found the problem, that was about 2 - 3 years ago.

Good Luck.