Removal [11/2018 - 08/2020]: Procedure

REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 20 [11/2018 - 10/2019] , or refer to PROCEDURE - Step 20 [10/2019 - 08/2020]

REMOVE AIR FUEL RATIO SENSOR

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

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for Sensor 1:

Detach the 3 wire harness clamps.

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Using SST, remove the air fuel ratio sensor from the exhaust manifold.

NOTE:

If the air fuel ratio sensor has been struck or dropped, replace it.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

for Sensor 2:

Detach the 2 wire harness clamps.

Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.

NOTE:

If the air fuel ratio sensor has been struck or dropped, replace it.