Oxygen Sensor: Service and Repair

Removing and Installing Oxygen Sensor

Shown On Engine 112:

Shown On Engine 112:

Shown On Engine 112:

Work instructions

G3/4, G3/6 Oxygen sensor upstream and downstream of right catalytic converter


NOTE: Installation: Coat threads of O2 sensors with hot lubricating paste.


Refer to Repair Products below
Refer to O2 Sensor below
Refer to Special Tool below

G3/3, G3/5 Oxygen sensor upstream and downstream of left catalytic converter


NOTE: Installation: Coat threads of O2 sensors with hot lubricating paste.


Refer to Repair Products below
Refer to O2 Sensor below
Refer to Special Tool below

G3/4x1, G3/6x1 Oxygen sensor connector
- On right upstream and downstream of catalytic converter.

G3/3x1, G3/5x1 Oxygen sensor connector
- On left upstream and downstream of catalytic converter

O2 Sensor:

Repair Products:

Special Tool: