have you checked for power to your fuel pump? and when was the last time you had a fuel filter change? i had something very similar happen to my old nissan 89' se v6, (great wheeler) and alls it needed was a full tune up. btw, did this problem just come out of the blue or had it been steadily acting up until it got to this point?

98' BBJ Grand Laredo 5.2 locked and loaded,.01' Gen III XLS. Frankenmonty lives on in another.