LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Fuel System >> Fuel System (Service Information) >> Fuel Pressure Regulator >> Installation >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pressure Regulator: Installation: Installation

  1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY 
    1. Apply a light coat of gasoline to 2 new O-rings, and install them onto the fuel pressure regulator assembly.
      Fig 1: Identifying Fuel Pressure Regulator O-Rings
      GTY145209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the fuel pressure regulator assembly to the fuel filter.
      Fig 2: Identifying Fuel Pressure Regulator Assembly & Cap
      GTY126339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the 2 claws of the fuel filter and install the cap.
      NOTE:
      • Make sure that the fuel main valve and fuel pressure regulator are not installed backward. If installed backward, the engine may stall.
      • Make sure that the O-rings are not cut or pinched during installation.
      • Attach the claws securely.
  2. INSTALL FUEL MAIN VALVE ASSEMBLY 
    1. Apply a light coat of gasoline to 2 new O-rings, and install them onto the fuel main valve assembly.
      Fig 3: Identifying Fuel Pressure Regulator O-Rings
      GTY145209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the fuel main valve assembly to the fuel filter.
      Fig 4: Identifying Fuel Main Valve Assembly
      GTY148913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Make sure that the fuel main valve and fuel pressure regulator assembly are not installed backward. If installed backward, the engine may stall.
      • Make sure that the O-rings are not cut or pinched during installation.
  3. INSTALL FUEL PUMP ASSEMBLY  See step  1
  4. INSTALL NO. 1 FUEL SUCTION SUPPORT  See step  2
  5. INSTALL FUEL PUMP HARNESS  See step  3
  6. TEMPORARILY INSTALL JET PUMP  See step  4
  7. INSTALL FUEL FILTER  See step  5
  8. INSTALL FUEL SUCTION PLATE SUB-ASSEMBLY  See step  6
  9. INSTALL FUEL SENDER GAUGE ASSEMBLY  See step  7
  10. INSTALL FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY  See step  1
  11. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

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

  12. INSPECT FOR FUEL LEAK  . Refer to ON-VEHICLE INSPECTION - Step 1
  13. INSTALL NO. 2 REAR FLOOR SERVICE HOLE COVER  See step  4
  14. INSTALL NO. 3 ROOM PARTITION PAD  See step  5
  15. INSTALL REAR SEAT CUSHION ASSEMBLY  . Refer to INSTALLATION - Step 4
scientia non olet · About LEMON Manuals