Installing Oxygen Sensor Downstream Of Catalytic Converter

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Information

When reinstalling oxygen sensors, grease the thread with the Optimol Paste MF lubricant (Part No. 000.043.207.07) only.
New oxygen sensors have already been greased and the thread is fitted with a protection cap.

Fit and tighten oxygen sensor (a/f 22) -2- downstream of catalytic converter.
Observe lubricating instructions!

→ Tightening torque: 50 Nm (37 ft. lb.)+/-8 Nm (+/-6 ft. lb.)
1. 1.1. Guide the oxygen sensor cables at the side of the engine to the plug connection in the engine compartment and clip the right cable into the holder -right arrow- .
  
  Fig 1: Locating Catalytic Converter Oxygen Sensors
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect the cable plug for the oxygen sensor -2- in the engine compartment and clip the plug connection into the bracket.
1. 2.1. Plug connection on cylinder bank 1-3:
  
  Fig 2: Identifying Oxygen Sensor Connectors And Cylinder Bank 1-3
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Plug connection on cylinder bank 4-6:
  
  Fig 3: Identifying Oxygen Sensor Connectors And Cylinder Bank 4-6
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.