911 GT2 (996) F6-3.6L Turbo (2003)
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-1- Plug for sensor in front of catalytic converter with plastic clip (rectangular)
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-2- Plug for sensor behind catalytic converter (oval)
NOTE: Observe precautionary measures when using oxygen sensors.
Removing Oxygen Sensors Behind The Catalytic Converter
Oxygen Sensor, Left Side:
1. Remove air cleaner housing.
2. Separate the oval plug connection for the oxygen sensor behind the catalytic converter in the left engine compartment -2-.
3. Unclip the oxygen sensor wire behind the catalytic converter from the wire retainer and the sheetmetal clips.
NOTE: Always expose oxygen sensor wire so that the wire can turn when unscrewing the sensor.
4. Undo and unscrew oxygen sensor with a spanner or an open ring wrench (a/f 22).
Oxygen Sensor, Right Side:
1. Remove air cleaner housing.
2. Separate the rectangular plug connection for the oxygen sensor behind the catalytic converter -2-.
3. Unclip the oxygen sensor wire behind the catalytic converter from the wire retainer and the sheetmetal clips.
NOTE: Always expose oxygen sensor wire so that the wire can turn when unscrewing the sensor.
4. Undo and unscrew oxygen sensor with a spanner or an open ring wrench (a/f 22).