Removing Oxygen Sensor Upstream Of Catalytic Converter On Cylinder Bank 2

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Remove oxygen sensor -1- upstream of catalytic converter on cylinder bank 2.
1. 1.1 Release and disconnect electric plug connection -4- in the engine compartment.
2. 1.2 Loosen line -2- from the cable duct -3- and guide it up and out.
3. 1.3 Unscrew and remove oxygen sensor -1- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Oxygen sensor upstream of catalytic converter, cylinder bank 2