Removing Oxygen Sensor Upstream Of Catalytic Converter (Cylinder Bank 1)

Information 

• Pre-treat corroded components with anti-rust agent or heat. 

1. Disconnect electric wire harness -1-  for oxygen sensor upstream of catalytic converter (cylinder bank 1).

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Electric plug connection for oxygen sensor upstream of catalytic converter (cylinder bank 1)

   1. 1.1  Unclip electric wire harness -1-  from the holders -2 and 3-  .
   2. 1.2  Release and disconnect electric plug connection -4-  .
   3. 1.3  Guide electric wire harness -1-  towards oxygen sensors upstream of catalytic converter.

   Information 

   The > 3337 - ring wrench set for oxygen sensor  is the ideal tool.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Oxygen sensor tool

2. Unscrew oxygen sensor upstream of catalytic converter (cylinder bank 1) -1-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Oxygen sensor upstream of catalytic converter (cylinder bank 1)