Mitsubishi Montero, Sport 1998-06

Multi-Port Fuel Injection System (MFI)

Print

Fuel Rail (Supply Manifold) & Injectors



Removal & Installation
2.4L Engine
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Accelerator cable
     
    Air intake tube and hose
     
    High pressure fuel hose and o-ring
     
    Fuel return line
     
    Pressure regulator, vacuum line and o-ring
     
    Injector connector
     
    Fuel rail and insulators
     
    Fuel injectors and insulators
     
    O-rings and grommets
     

  6.  

To install:

  1. Install or connect the following:

    O-rings and grommets
     
    Fuel injectors and insulators
     
    Fuel rail and insulators. Torque the bolts to 106 inch lbs. (12 Nm).
     
    Injector connector
     
    Pressure regulator, vacuum line and o-ring. Torque the bolts to 78 inch lbs. (8.8 Nm).
     
    Fuel return line
     
    High pressure fuel hose and o-ring. Torque the bolts to 43 inch lbs. (4.9 Nm).
     
    Air intake tube and hose
     
    Accelerator cable

    Click image to see an enlarged view

    Fig. Exploded view of fuel injector and rail on 2.4L engines other engines are similar

     

  2.  

3.0L And 3.5L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Air cleaner assembly, ducts and air intake hose
     
    Intake manifold plenum
     
    Fuel return line
     
    Pressure regulator, vacuum line and O-ring
     
    High pressure fuel hose and O-ring
     
    Injector connector
     
    Fuel pipe and O-rings
     
    Fuel rails and insulators
     
    Fuel injectors and insulators
     
    O-rings and grommets
     

  6.  

To install:

  1. Install or connect the following:

    O-rings and grommets
     
    Fuel injectors and insulators
     
    Fuel rail and insulators. Torque the bolts to 106 inch lbs. (12 Nm).
     
    Injector connector
     
    High pressure fuel hose and O-ring. Torque the bolts to 43 inch lbs. (4.9 Nm).
     
    Pressure regulator, vacuum line and O-ring. Torque the bolts to 78 inch lbs. (8.8 Nm).
     
    Fuel return line
     
    Intake manifold plenum
     
    Air cleaner assembly, ducts and air intake hose
     

  2.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Air cleaner assembly, ducts and air intake hose
     
    Intake manifold plenum
     
    Fuel return line
     
    Pressure regulator, vacuum line and o-ring
     
    High pressure fuel hose and o-ring
     
    Injector connector
     
    Fuel pipe and o-rings
     
    Fuel rails and insulators
     
    Fuel injectors and insulators
     
    O-rings and grommets
     

  6.  

To install:

  1. Install or connect the following:

    O-rings and grommets
     
    Fuel injectors and insulators
     
    Fuel rail and insulators. Torque the bolts to 106 inch lbs. (12 Nm).
     
    Injector connector
     
    High pressure fuel hose and o-ring. Torque the bolts to 43 inch lbs. (4.9 Nm).
     
    Pressure regulator, vacuum line and o-ring. Torque the bolts to 78 inch lbs. (8.8 Nm).
     
    Fuel return line
     
    Intake manifold plenum
     
    Air cleaner assembly, ducts and air intake hose
     

  2.  

 
label.common.footer.alt.autozoneLogo