Fuel System - 6.0L Diesel: Notes

The 6.0L diesel fuel system consists of:

• Fuel tubes
• Fuel filter
• Secondary fuel filter
• Fuel level sensor
• Fuel tank filler pipe assembly
• Fuel tank
• Fuel conditioning module
• Inertia fuel shutoff (IFS) switch

The fuel system for the direct injection turbo (DIT) diesel:

• is controlled by the PCM.
• utilizes an electric, frame-mounted fuel pump.
• incorporates a fuel filter and water separator assembly.

The electric fuel pump:

• draws fuel from the tank.
• circulates fuel under pressure through the fuel filter, the water separator and the pressure regulator to the cylinder head fuel galleries and then to the fuel injectors.
• Excess fuel is returned to the fuel tank through the fuel return hose.