Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required

- O2 Sensor Wrench Snap-on YA8875, O2 Sensor Wrench, E19 SP Tools 93750, or equivalent, commercially available

Front Bank (Bank 2)

1. Disconnect the front secondary HO2S 4P connector (A).





2. Raise the vehicle on a lift, then remove the front secondary HO2S (B).

3. Install the parts in the reverse order of removal.

Rear Bank (Bank 1)

1. Raise the vehicle on a lift.

2. Disconnect the rear secondary HO2S 4P connector (A), then remove the rear secondary HO2S (B).





3. Install the parts in the reverse order of removal.