Porsche Workshop Service and Repair Manuals

Oxygen Sensor: Service and Repair
Removing and Installing Lambda Sensor Upstream Of Catalytic Converter

Removing And Installing Lambda Sensor Upstream Of Catalytic Converter

Tools

Technical values

Preliminary work

Preliminary work for removing oxygen sensors in front of catalytic converter

1. Remove air cleaner housing.

Removing lambda sensor upstream of catalytic converter

Removing oxygen sensor in front of catalytic converter of cylinder bank 1-3

INFORMATION:  Always expose oxygen sensor wire far enough for it to be able to turn when unscrewing the sensor.