Removing and Installing Oxygen Sensors Behind Catalytic Converter

Removing And Installing Oxygen Sensors Behind Catalytic Converter

Tools

Tools (part 1):

Tools (part 2):

Preliminary work

Preliminary work: Removing oxygen sensors behind catalytic converter

ATTENTION: Danger of burns from hot exhaust system.
- Only remove the exhaust system once it has cooled down.
- Wear protective gloves.










1. Loosen and bend primary catalytic converter (primary catalytic converter does not need to be removed completely).

Tools and materials

Tools - oxygen sensor

Tools - Oxygen Sensor:

Removing oxygen sensors behind catalytic converter - Cayenne Turbo (M48/50)

Removing oxygen sensors in front of catalytic converter - Cayenne Turbo (M48/50)







ATTENTION: The oxygen sensor cable can be damaged if twisted.
- Change in emissions.
- Check Engine light comes on.
- Always expose oxygen sensor cable so that the wire can turn when unscrewing or screwing in the sensor.
- Do not kink cable.

1. Carefully unscrew oxygen sensors on primary catalytic converter.

Installing oxygen sensors behind catalytic converter - Cayenne Turbo (M48/50)
1. Position the oxygen sensor by hand and screw in as far as possible.
2. Tighten oxygen sensor using special tool. Tightening torque 33 ft.lb ± 3.5 ft.lb.

Subsequent work

Subsequent work: Installing oxygen sensor behind catalytic converter










1. Install primary catalytic converter