Originally Posted by BC847

- The fuel heater is there so as to prevent particles of wax (from cold diesel) from plugging the fuel filter.
- The warm fuel returning from the injection pump and injectors, flows back to the tank and warms the fuel in the pick-up reservoir (in the tank).




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Originally Posted by novapat

BC could a weak lift pump have caused my prob. i was towing prob 10,000? it has not done it since but i have not been towing? maybe it ran out of fuel!!??