Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required

- O2 sensor socket wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available
1. Remove the WU-TWC stay (A).






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

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