Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required

- O2 Sensor Wrench Snap-on YA8875, O2 Sensor Wrench, E19 SP Tools 93750, or equivalent, commercially available

1. Raise the vehicle on a lift.

2. Remove the WU-TWC bracket (A).

Without SH-AWD





With SH-AWD





3. Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).





4. Install the parts in the reverse order of removal.