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 (Sensor 1) 4P connector (A).
   Fig 1: Identifying A/F Sensor (Sensor 1) 4P Connector

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Remove the A/F sensor (Sensor 1) (A).
   Fig 2: A/F sensor (Sensor 1) With Torque Specifications

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