October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Secondary HO2S Replacement

Special Tools Required

O2 sensor socket wrench, Snap-on YA8875 or SWR2, or equivalent, commercially available

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

Fig 1: Secondary HO2S 4P Connector And Secondary HO2S With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal.