shepz5.0

Hi,I need some advice,I have a 1992 5.0L hatch auto.After driving it for a couple of hours,it was idling in my driveway and started to stumble and stalled out.It would not restart until the next morning,about 9 hours.I think it may be the fuelpump but I don't want to drop the tank if it isn't.This has happened 3 times,always after driving,the other 2 time it happened after i was in the store for an hour,car wouldnt start after.Any advice would be appreciated.thanks.I HAVE REPLACED THE IGNITION MODULE.