A/F Sensor Replacement

Special Tools Required 

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

1. Disconnect the A/F sensor 4P connector (A) and the clip (B), then remove the A/F sensor (C).
   Fig 1: Identifying A/F Sensor 4P Connector, Clip And A/F Sensor

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Install the parts in the reverse order of removal.