FUEL DELIVERY - DIESEL

DESCRIPTION - DIESEL FUEL DELIVERY SYSTEM

The fuel system on the 2.8L Common Rail Diesel Engine uses a fuel injection pump and an Electronic Control Module (ECM).

The fuel delivery system consists of the:

• Accelerator pedal
• Air cleaner housing/element
• Fuel filter/water separator
• Fuel temperature sensor
• Fuel heater
• Fuel rail solenoid
• Fuel rail pressure sensor
• Fuel injection pump
• Fuel injectors
• Fuel tank
• Fuel tank filler/vent tube assembly
• Fuel tank filler tube cap
• Fuel tank module containing the roll over valve and a fuel gauge sending unit (fuel level sensor).
• Fuel tubes/lines/hoses
• High-pressure fuel injector lines
• Low-pressure fuel supply and return lines
• Low-pressure fuel return line
• Overflow valve
• Quantity control valve
• Quick-connect fittings
• Water draining

WARNING - HIGH FUEL SYSTEM PRESSURE

WARNING: High-pressure fuel lines deliver fuel under extreme pressure from the injection pump to the injectors. This maybe as high as 1600bar (23,200psi). Use extreme caution when inspecting for high-pressure fuel leaks. Fuel under this amount of pressure can penetrate skin causing personal injury or death. Inspect high-pressure fuel leaks with a sheet of cardboard. Wear safety goggles and adequate protective clothing when servicing fuel system.

SPECIAL TOOLS - DIESEL