Trionic T7, 4-Cyl OBD II

To remove
1 Unplug the ignition discharge module 10-pin connector and bend it to one side.







2 Unplug the sensor connector.
3 Undo the connector.

To fit







1 Check the sealing washer and fit a new one if necessary.
Apply vaseline (part no. 30 04 520) or equivalent to the sensor threads. Fit the sensor.

Tightening torque 17 Nm (12 lbf ft)

2 Spray the connector with Kontakt 61 (part no. 30 04 520). Plug in the connector.
3 Plug in the ignition discharge module 10-pin connector.