Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | Fuel Injection Systems | Multec S | Oxygen Sensor | Repair Instructions | Replace catalytic converter control oxygen sensor

Replace catalytic converter control oxygen sensor

Remove

Disconnect oxygen sensor wiring harness plug (3)

•	Unclip from mounting

Expose wiring harness (2)

•	Undo cable tie

3.	Unscrew and remove catalytic converter control oxygen sensor (1) from front exhaust pipe

Install

4.	Install catalytic converter control oxygen sensor in front exhaust pipe 40 Nm Note: When re-using catalytic converter control oxygen sensor, coat thread of catalytic converter control oxygen sensor with special grease

Connect wiring harness plug for catalytic converter control oxygen sensor

•	Clip into mounting

Lay wiring harness

•	Attach cable ties

Vauxhall Workshop Service and Repair Manuals