Isuzu I-280, I-350 2005-06

Fuel Rail (Supply Manifold) & Injectors


Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions Section.
  3. Relieve the fuel system pressure.
  5. Remove or disconnect the following:

    Negative battery cable
    Fuel feed and return lines from fuel rail.
    Vent hoses from the air cleaner resonator and fuel pressure regulator
    EVAP purge hose
    Intake manifold
    Fuel injector harness from the engine wiring harness
    Fuel rail mounting bolts
    Fuel rail
    Fuel injector connector from the injector
    Injector retaining clip
    Fuel injector from the fuel rail

  7. Discard the retainer clip and remove and discard the 2 O-rings from the injector.

    Click image to see an enlarged view

    Fig. Exploded view of fuel injector


To install:

  1. Lubricate the new injector O-ring seats with engine oil.
  3. Install or connect the following:

    O-rings and retainer clip on the injector
    Fuel injector into the fuel rail socket
    Fuel rail. Torque the bolts to 89 inch lbs. (10 Nm).
    Fuel injector harness
    Intake manifold
    EVAP purge hose
    Vent hoses to air cleaner resonator and fuel pressure regulator
    Fuel feed and return lines
    Negative battery cable

  5. Turn the ignition ON for 10 seconds and then turn it OFF for 10 seconds. Again turn the ignition ON and check for leaks.