Diesel Data: Automotive Repair

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

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





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