Installing heated oxygen sensors (HO2S)

Fig 1: Identifying Heated Oxygen Sensors (HO2S) And Cables

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install the heated oxygen sensors (HO2S). Use tool 9995543 . Tighten to 45 Nm  .

Connect the connectors for the heated oxygen sensor (HO2S).

Install: 

• the clamps for the probe cable
• the lower protective panel
• the cable harness for the heated oxygen sensor (HO2S) in the clips.

Erase Diagnostic Trouble Codes (DTCs).

Reset trim.