Pgm-Fi System: Removal & Installation Honda Insight ZE1

A/F Sensor Replacement

Special Tools Required

02 sensor socket wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available

Scheme 254

1. Disconnect the A/F sensor 4P or 8P connector (A), and remove the A/F sensor (B).
2. Install the A/F sensor in the reverse order of removal.

Secondary HO2S Replacement

Special Tools Required

02 sensor socket wrench. Snap-on YA8875, SP Tools 93750, or equivalent, commercially available

Note. When the secondary HO2S is replaced the third HO2S must be replaced at the same time (2002-2006 M/T models only).

Scheme 255

1. Disconnect the secondary HO2S 4P connector (A), and remove the secondary HO2S (B).
2. Install the secondary HO2S in the reverse order of removal.

Third HO2S Replacement

Special Tools Required

O2 sensor socket wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available