Sequoia 4WD V8-5.7L (3UR-FE) (2009)
3UR-FE ENGINE CONTROL: AIR FUEL RATIO SENSOR: REMOVAL
REMOVAL
CAUTION:
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Wear protective gloves when removing the exhaust pipe.
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The exhaust pipe is extremely hot immediately after the engine has stopped.
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Confirm that the exhaust pipe has cooled down before removing it.
1. REMOVE FRONT NO. 2 EXHAUST PIPE SUB-ASSEMBLY
(a) Disconnect the air fuel ratio sensor connector.
(b) Disconnect the heated oxygen sensor connector and 2 clamps.
(c) Remove the 2 bolts and 2 nuts from the center exhaust pipe assembly.
(d) Remove the 3 nuts, 2 gaskets and front No. 2 exhaust pipe sub-assembly.
2. REMOVE FRONT EXHAUST PIPE ASSEMBLY See: Engine, Cooling and Exhaust/Exhaust System/Exhaust Manifold/Service and
Repair/Removal
3. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)
(a) Using SST, remove the air fuel ratio sensor.
SST: 09224-00010
4. REMOVE AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)
(a) Using SST, remove the air fuel ratio sensor.
SST: 09224-00010
Installation
3UR-FE ENGINE CONTROL: AIR FUEL RATIO SENSOR: INSTALLATION
INSTALLATION
1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)