F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
High Pressure Fuel System Flow
^ Fuel is supplied to the high pressure fuel injection pump after being filtered by both the HFCM (horizontal fuel conditioning module) and the engine
mounted fuel filter.
^ The high pressure fuel injection pump is gear driven off of the camshaft gear at the rear of the engine.
^ Once the high pressure fuel injection pump pressurizes the fuel it is routed to two (2) high pressure fuel rail supply tubes one for each bank.
^ The high pressure fuel rail supply tubes route the fuel to the high pressure fuel rail located under the valve cover.
^ The high pressure fuel rail inlet protrudes through the valve cover spacer at the back of the engine and oil is sealed by a rubber seal.
^ The high pressure fuel rail routes fuel to each of the four (4) fuel injectors through four (4) separate fuel injector supply tubes all located under the
valve cover.
