Heated Oxygen Sensor - Post Catalyst

Sensor - Heated Oxygen (HO2S) - Post-Catalyst


Service repair no - 19.22.71


Remove
1. Raise vehicle on lift.







2. Release HO2S harness from clips.
3. Release HO2S multiplug from support bracket.
4. Disconnect HO2S multiplug from harness.
5. Remove HO2S and discard sealing washer.

Refit
1. Clean HO2S and front pipe mating face.
2. Fit new sealing washer and apply anti seize compound to thread of HO2S. Fit and tighten HO2S to 50 N.m (37 lbf.ft).


CAUTION: Ensure anti-seize compound does not contact sensor tip.


3. Connect HO2S multiplug to sensor and secure to support bracket.
4. Secure harness in clips.