Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Engine & Hybrid System / 2gr-fks (fuel) / Fuel Injector (for Port Injection) / Removal

REMOVAL

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
*1: When performing learning using the Techstream.

Click here

Battery terminal is disconnected/reconnected

Memorize steering angle neutral point

Lane Control System

Pre-collision system

Intelligent clearance sonar system*1

Lighting system (w/ Automatic Headlight Beam Level Control System)

Parking assist monitor system

Panoramic view monitor system

Initialize back door lock

Power door lock control system

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

  • Replacement of fuel injector assembly
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. PRECAUTION

NOTICE:

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

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2. DISCHARGE FUEL SYSTEM PRESSURE

Click here

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

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

Click here

4. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

Click here

5. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the fuel tube sub-assembly from the fuel delivery pipe sub-assembly.

Click here

6. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

(a) Disconnect the fuel pressure sensor connector.

*a

Fuel Pressure Sensor Connector

*b

No. 5 Engine Wire Connector

(b) Disconnect the 2 No. 5 engine wire connectors.

(c) Remove the 4 bolts and fuel delivery pipe sub-assembly with the 6 fuel injector assemblies from the intake manifold.

NOTICE:

  • Be careful not to drop the fuel injector assemblies when removing the fuel delivery pipe sub-assembly.
  • When removing the fuel delivery pipe sub-assembly, hold the pipe by both ends and pull it straight upward.

7. REMOVE NO. 1 DELIVERY PIPE SPACER

(a) Remove the 4 No. 1 delivery pipe spacers from the intake manifold.

8. REMOVE INJECTOR VIBRATION INSULATOR

(a) Remove the 6 injector vibration insulators from the intake manifold.

9. REMOVE FUEL INJECTOR ASSEMBLY

(a) for Bank 2:

(1) Disengage the clamp to disconnect the No. 5 engine wire from the fuel delivery pipe sub-assembly.

(2) Pull the 3 fuel injector assemblies out of the fuel delivery pipe sub-assembly.

(3) Disconnect the 3 fuel injector assembly connectors.

(b) for Bank 1:

(1) Disengage the clamp to disconnect the No. 5 engine wire from the fuel delivery pipe sub-assembly.

(2) Pull the 3 fuel injector assemblies out of the fuel delivery pipe sub-assembly.

(3) Disconnect the 3 fuel injector assembly connectors.

(c) Remove the O-ring from each fuel injector assembly.

(d) 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.

NOTICE:

Cover the fuel injector assemblies with plastic bags to prevent damage and contamination.
    Components
    COMPONENTS ILLUSTRATION *1 FUEL DELIVERY PIPE SUB-ASSEMBLY *2 FUEL INJECTOR ASSEMBLY *3 FUEL TUBE SUB-ASSEMBLY *4 INJECTOR VIBRATION INSULATOR *5 NO. 1 DELIVERY PIPE SPACER ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT FUEL INJECTOR ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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