Secondary HO2S Replacement

WARNING: This page is about a different car, the 2009 Honda S2000, 2008 Honda S2000, 2007 Honda S2000, and 2006 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required

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

Disconnect the secondary HO2S (Sensor 2) 4P connector (A).

Fig 1: Identifying Secondary Ho2S (Sensor 2) 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the secondary HO2S (Sensor 2) (A).

Fig 2: Secondary HO2S (Sensor 2) With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal.