Air Fuel Ratio Sensor: Removal

2009 Toyota FJ Cruiser RWDSECTION Removal
CAUTION:
  • Wear protective gloves when removing the sensor.
  • The exhaust pipe assembly is extremely hot immediately after the engine has stopped.
  • Confirm that the exhaust pipe assembly has cooled down before removing it.
  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  2. REMOVE AIR FUEL RATIO SENSOR 
    1. Remove the 3 bolts, then remove the No. 2 exhaust manifold stay, (for LH Bank)
      Fig 1: Identifying No. 2 Exhaust Manifold Stay Bolts
      G05109775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 2 air fuel ratio sensor connectors.
    3. Using SST, remove the 2 air fuel ratio sensors from the exhaust manifold.

      SST 09224-00010 

      Fig 2: Identifying Air Fuel Ratio Sensors With SST
      G05109776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.