Fuel System - Diesel Engines: Notes
WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The fuel system for the direct injection turbo (DIT) diesel:
- is controlled by the powertrain control module (PCM).
- utilizes an electric, frame-mounted fuel pump.
- incorporates a fuel filter and water separator assembly.
The electric fuel pump:
- draws fuel from the fuel tank.
- circulates fuel under pressure through the fuel filter and water separator and the pressure regulator to the cylinder head fuel galleries and to the fuel injectors.
Excess fuel is returned to the fuel tank through the fuel return hose.