What causes fuel to run back?
What causes fuel to run back? Its caused by losing vacuum from the system to hold the fuel in the pump and it runs back to the tank over time check all pipes/connections up to the pump or get a garage to check the vacuum/suction for you if thats ok its the fuel lift pump that not working properly. How do you silence a diesel heater fuel pump? 7 Tips To Quieten Your Diesel Heater Fuel Pump NoiseAvoid mounting the fuel pump on a hollow part of the chassis. Add a rubber stopper under the fuel pump mounting clip. Enclose...