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 (Bank 2)

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





2. Raise the vehicle on a lift.

3. Remove the front splash shield Front Splash Shield Replacement.

4. Remove front secondary HO2S (A).





5. 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.