porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Removing and Installing Lambda Sensor Downstream of Catalytic Converter|Page 380 > < Removing and Installing Lambda Sensor Downstream of Catalytic Converter
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Preliminary work

DANGER:
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Risk of engine falling down.

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Danger of fatal injury, material damage.

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Support the engine with the prescribed tool.

1. Remove pressure pipe.
2. Remove air cleaner housing.
3. Lower the engine.

Lower the engine by max. 40 mm.
Support the engine using a jack and retainer plate P 9592.
Loosen and screw off M12 collar nuts on the engine mounting. Carefully lower the engine using the jack.

Removing lambda sensor downstream of catalytic converter

1. Observe precautionary measures when working with lambda sensors.
2. Disconnect lambda sensor lines.

2.1. Pull connector -1, 5- for the lambda sensor wire with the black boot out of the bracket -3, 4- and disconnect plug connections.

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

3. Expose lambda sensor lines.

Removing and Installing Lambda Sensor Downstream of Catalytic Converter|Page 380 > < Removing and Installing Lambda Sensor Downstream of Catalytic Converter