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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 750 (EMISSION CONTROL SYSTEM)AIR FUEL RATIO SENSOR (3MZ-FE (RH BANK))REPLACEMENT
2004 Toyota Matrix XR, FWD, Standard

Air Fuel Ratio Sensor (3MZ-FE (RH Bank)): Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) 
  2. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET FRONT (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  3. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET REAR (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  4. REMOVE EXHAUST PIPE ASSY FRONT (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  5. REMOVE EXHAUST MANIFOLD HEAT INSULATOR NO. 1 
    1. Disconnect the air fuel ratio sensor connector.
    2. Remove the 3 bolts, then remove the exhaust manifold heat insulator No. 1
      Fig 1: Removing Exhaust Manifold Heat Insulator No. 1
      G00901585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AIR FUEL RATIO SENSOR 
    1. Using SST, remove the air fuel ratio sensor.

      SST 09224-00010

      Fig 2: Using SST, Removing Air Fuel Ratio Sensor
      G00901586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL AIR FUEL RATION SENSOR 
    1. Using SST, remove the air fuel ratio sensor. SST 09224-00010
      Fig 3: Using SST
      G00901587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 44 N.m (449 kgf.cm, 32 ft.lbf) 

  8. INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO. 1 

    Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf) 

  9. INSTALL EXHAUST PIPE ASSY FRONT (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  10. INSTALL EXHAUST PIPE NO. 1 SUPPORT BRACKET REAR (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  11. INSTALL EXHAUST PIPE NO. 1 SUPPORT BRACKET FRONT (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  12. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) 

    Torque: 5.4 N.m (55 kgf. cm, 48 in.lbf) 

  13. CHECK FOR EXHAUST GAS LEAKS 
  14. SYSTEM INITIALIZATION (See  PRECAUTION  ) 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.