Secondary HO2S Replacement

Secondary HO2S Replacement

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

Front Bank (Bank 2)




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

Rear Bank (Bank 1)




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