FUEL INJECTOR REMOVAL

Info Added 2017-10-06

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel injector assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Disconnect cable from negative auxiliary battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here


  • Replacement of fuel injector assembly

  • Gas leak from exhaust system is repaired

 Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here

*1: When performing learning using the GTS.

Click here

PROCEDURE


  1. PRECAUTION

    Note

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Click here

  2. DISCHARGE FUEL SYSTEM PRESSURE

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

    Click here

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  4. REMOVE EGR PIPE WITH COOLER SUB-ASSEMBLY

    Click here

  5. DISCONNECT NO. 2 VENTILATION HOSE


    1. A001PEM

      Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.

  6. DISCONNECT ENGINE WIRE


    1. A001RSM

      Disconnect the 4 fuel injector assembly connectors.

    2. Remove the bolt.

    3. Disengage the clamp to disconnect the engine wire.

  7. DISCONNECT FUEL TUBE SUB-ASSEMBLY


    1. A001QW0C02
      *a Open
      B0048S8 Pull

      Open the cover of the fuel pipe clamp and remove the fuel pipe clamp from the fuel tube connector.

    2. A001RY9

      Disconnect the fuel tube sub-assembly from the fuel pipe.

      Click here

  8. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY


    1. A001OB0

      Remove the bolt to separate the clamp of the fuel delivery pipe sub-assembly from the cylinder head sub-assembly.

    2. A001RYK

      Remove the 2 bolts and fuel delivery pipe sub-assembly with the 4 fuel injector assemblies.

      Note

      Be careful not to drop the fuel injector assemblies when removing the fuel delivery pipe sub-assembly.

  9. REMOVE NO. 1 DELIVERY PIPE SPACER


    1. A001NWJ

      Remove the 2 No. 1 delivery pipe spacers from the cylinder head sub-assembly.

  10. REMOVE FUEL INJECTOR ASSEMBLY


    1. A001O5O

      Pull the 4 fuel injector assemblies out of the fuel delivery pipe sub-assembly.

    2. A001PNZ

      Remove the O-ring from each fuel injector assembly.

    3. A001QLT

      Attach a tag or label with the corresponding cylinder number to each fuel injector assembly so that they can be installed to their original locations.

      Note

      Cover the fuel injector assemblies with plastic bags to prevent damage and contamination.

    4. A001S8K

      Remove the 4 injector vibration insulators from the cylinder head sub-assembly.