Heated Oxygen Sensor (HO2S) Removal and Installation

Heated Oxygen Sensor (HO2S) Removal and Installation

Heated Oxygen Sensor (HO2S) Heater On-Vehicle Inspection

Removal

CAUTION:

Touching exhaust system components when they are still hot may cause burns.

Make sure the exhaust system has cooled down before removing the HO2S.

1) Disconnect negative cable at battery.
2) Hoist vehicle.
3) Disconnect HO2S connector (1) and remove its bracket.
4) Remove exhaust No.1 pipe (2). Exhaust Pipe and Muffler Removal and Installation
5) Remove HO2S (3) from exhaust No.1 pipe.

Installation

Reverse removal procedure noting the following.

- Tighten HO2S (3) to specified torque.

Tightening torque
HO2S (a): 45 Nm (4.5 kgf-m, 32.5 lbf-ft)