Installing Oxygen Sensor Upstream Of Catalytic Converter

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

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 upstream of catalytic converter (a/f 22) -1- at the catalytic converter.
→ Tightening torque: 50 Nm (37 ft. lb.) +/-8 Nm (+/-6 ft. lb.)
Guide the oxygen sensor cable at the side of the engine to the plug connection in the engine compartment and clip the cable into the holder -left arrow- .

Fig 1: Locating Oxygen Sensors
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect the cable plug for the oxygen sensor upstream of the catalytic converter -1- in the engine compartment and clip the plug connection into the bracket.
1. 3.1. 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. 3.2. 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.