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 connector (A), then remove the A/F sensor (B).
   Fig 1: A/F Sensor And A/F Sensor Connector With Torque Specification

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