Fuel Injector Installation


  1. INSTALL INJECTOR ASSEMBLY

  2. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY

  3. CONNECT FUEL HOSE

  4. INSTALL THROTTLE BODY

  5. INSTALL INTAKE AIR CONNECTOR

  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  7. INSPECT FOR FUEL LEAK

Fuel Injector -- Installation



1. INSTALL INJECTOR ASSEMBLY


  1. Install each of the 4 injectors as follows.



      Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
    1. Install a new insulator to the injector.

    2. Apply a light coat of grease or gasoline to a new O-ring and install it to the injector.

    3. Apply a light coat of grease or gasoline on the place where the delivery pipe touches the O-ring.



    4. Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
    5. To install the fuel injector into the fuel delivery pipe, push the fuel injector while twisting it right and left.

      NOTICE:
      1. Be careful not to twist the O-ring.
      2. After installing the fuel injector, check that it turns smoothly. If it does not, reinstall it with a new O-ring.
    6. Position the injector connector so that it faces downward.



2. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Install the 4 spacers to the cylinder head.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Install the delivery pipe together with the 4 injectors and 2 spacers with the 2 bolts.

    Torque:
    12 N*m{122 kgf*cm, 9 ft.*lbf}
  1. Connect the 4 injector connectors.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Connect the 4 clamps and wire harness to the delivery pipe.

  1. Connect the vacuum hose.



3. CONNECT FUEL HOSE


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Connect the No. 2 fuel hose to the pressure regulator.



  1. Connect the No. 1 fuel hose to the pulsation damper.



      Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
    1. Check that there is no damage or contamination in the connected part of the pipe.

    2. Align the axis of the connector with the axis of the pipe. Push the pipe into the connector until the connector makes a "click" sound. If the connection is tight, apply a small amount of fresh engine oil on the tip of the pipe.



    3. Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
    4. After having finished the connection, try to pull apart the pipe and the connector and confirm that they are securely connected.



    5. Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
    6. Attach the lock claws to the connector by pushing down on the cover, as shown in the illustration.



4. INSTALL THROTTLE BODY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Install a new gasket on the intake manifold.

    HINT:
    Align the protrusion of the gasket with the groove of the intake manifold.


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.2Tr-Fe Fuel.Fuel Injector.Fuel Injector  Installation
  1. Install the throttle body with the 2 bolts and 2 nuts.

    Torque:
    9.0 N*m{92 kgf*cm, 80 in.*lbf}
  1. Connect the 2 water by-pass hoses to the throttle body.

  1. Connector the throttle position sensor and control motor connector.



5. INSTALL INTAKE AIR CONNECTOR
  1. Install the intake air connector with the 2 bolts, and tighten the 2 hose clamps.

    Torque:
    8.0 N*m{82 kgf*cm, 71 in.*lbf}for intake air connector
    5.0 N*m{51 kgf*cm, 44 in.*lbf}for hose clamp
  1. Connect the vacuum hose.

  1. Connect the No. 2 ventilation hose.



6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


7. INSPECT FOR FUEL LEAK
  1. Connect the intelligent tester to the DLC3.

    1. Turn the ignition switch ON.

      NOTICE:
      Do not start the engine.
    2. Push the intelligent tester main switch ON.

    3. Select the Active Test and enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump / Speed.

  1. Check for fuel leaks.

    1. Check that there are no fuel leaks after performing maintenance anywhere on the fuel system.
      If there are fuel leaks, repair or replace parts as necessary.