Replacing Both Oxygen Control Sensors

Read out fault memory, clear if necessary.





Unclip oxygen control sensor cable from retainer.
Disconnect plug connection for oxygen control sensor.
Release oxygen control sensor with special tool 11 7 020.

Installation:
The threads of new oxygen sensors are already coated with Never Seez Compound.
If an oxygen sensor is used again, apply a thin and even coat of Never Seez Compound to the thread only.
Part of oxygen control sensor that projects into exhaust system branch must not be cleaned or come into contact with lubricant.





Installation:
Secure oxygen control sensor with special tool 11 7 020.
Tightening torque, refer to Specifications, Mechanical.
Pay attention to cable routing of oxygen control sensor.