Installing Oxygen Sensor Upstream Of Catalytic Converter On Cylinder Bank 1

WARNING: This page is about a different variant/trim than selected.

NOTE: Incorrect handling of oxygen sensors

Damage to oxygen sensors
Different exhaust emission behavior
→ Do not remove the plastic cap on the thread until just prior to fitting.

→ Protect oxygen sensors from impact of any kind.

→ Do not kink or twist the cables when screwing in the sensors.

→ Do not re-use dirty or damaged components.

Information

When re-installing oxygen sensors, only grease the thread with lubricant (see PET).
Make sure that the lubricant does not get into the slits in the sensor body.
New oxygen sensors have already been greased and the thread is fitted with a protection cap.

Install oxygen sensor -1- upstream of catalytic converter on cylinder bank 1.
1. 1.1 Grease thread of oxygen sensor -1- with hot screw paste before installation.
  1. 1.1.1 Make sure that the paste does not get into the slits in the sensor body.
2. 1.2 Carefully screw in and tighten oxygen sensor -1- .
  > Tightening torque 52 Nm (38 ftlb.)
3. 1.3 Route line -2- .
  1. 1.3.1 Route the line -2- and clip it into the cable duct -3- .
4. 1.4 Connect electric plug connection -4- in the engine compartment.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Oxygen sensor upstream of catalytic converter, cylinder bank 1