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Oxygen Sensor: Service and Repair


Removing and Installing Oxygen Sensor












Shown On Model 220:











Work instructions
G3/3, G3/4 Oxygen sensor


NOTE: Installation: Coat thread on oxygen sensor with heat-resistant lubricant.


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

G3/5, G3/6 Diagnostic sensor


NOTE: Installation: Coat thread on diagnostic sensor with heat-resistant lubricant.


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

G3/3x1, G3/4x1 Oxygen sensor connector
- Left and right, before TWC

G3/5x1, G3/6x1 Diagnostic sensor connector
- Left and right, after TWC


O2 Sensor:






Repair Products:






Special Tool: