ENGINE CUT OFF 1992 6.2

[Big Bad]

HI GUYS, NEED SOME HELP..IN COLD WEATHER,(-10 CEL.) TRUCK HAS A GOOD START,BUT THEN A MIN. LATER TRUCK, STARTS TO SURGE, AND CUTT OFF ..WILL RESTART WITH PEDAL HALF WAY DOWN,THEN CUTT OFF AGAIN. I HAVE CHANGED THE PRIMAR PUMP, FUEL FILTER TWICE, COOLING SENSOR, AND CHECKED ALL CONNECTIONS.. IF I LEAVE THE TRUCK IN THE GARAGE IT WILL START, AND RUN FINE.. PROBLEM ONLY IN COLD WEATHER..THANKS..

[More Power]

Sounds like a fuel supply problem. Plugged filter, lift pump , etc.

Is the fuel heater in the fuel filter assembly operating? It's supposed to be energized at +20 degrees F or below, or whatever that is in Centigrade.

MP