Dec 24, 2015 · 26. Fuel pump drain 27. Fuel return to tank. Note : The retrofit thermal recirculation valve is an optional component available for all original equipment manufacturers. 1. Fuel supply from tank 2. Fuel supply from retrofit thermal recirculation valve 3. Priming pump 4. Fuel pump gear pump inlet 5. Fuel pump gear pump 6. Fuel pump gear pump ... One of the most common fuel related failures we have witnessed on 03-07 Cummins is that of the fuel control actuator, often referred to as an MPROP. Basically, the FCA is the metering device for the CP3 injection pump. If the FCA is not working properly, the ECM cannot communicate to the pump how much fuel it should be delivering.
The lift pump is used on many Cummins engines, but most often problems with the pump are associated with the 5.9 ISB. This pump is used to transfer fuel from the fuel tank to the injection pump (known as the VP44 injection pump). The lift pump runs at all times when the key is on. Signs of Failure. The VP44 injection pump is designed to be fed ... Feb 19, 2010 · The last company truck I had was a T-600 with the Cummins ISX. I've not had any problem with injectors, turbo or ECM / loss of power with the D12 (240k miles so far). EGR valves needed replacing recently, under warranty, and two rocker arm roller things were peeling chrome so they replaced those and the crankshaft, also under warranty.
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Brake fluid symbol ford