Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required

- O2 Sensor Socket Wrench Snap-on SWR2 or O2 Sensor Wrench Snap-on YA8875, commercially available

Front Bank (Bank2) (5-speed A/T model)

1. Disconnect the front secondary HO2S 4P connector (A), then remove the harness clamp (B) and the bolt (C).






2. Raise the vehicle on a lift.

3. Remove front secondary HO2S (A).





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

Front Bank (Bank2) (6-speed A/T model)

1. Disconnect the front secondary HO2S 4P connector (A), and remove the harness clamps (B).






2. Raise the vehicle on a lift.

3. Remove the harness clamps (A), then remove front secondary HO2S (B).





4. 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), and remove the harness clamps (B).





3. Remove rear secondary HO2S (C).

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