Oxygen Sensor: Service Precautions

Heated Oxygen Sensor Resistance Learn Reset Notice

Notice: When replacing the HO2S perform the following:

^ A code clear with a scan tool, regardless of whether or not a DTC is set

^ HO2S heater resistance learn reset with a scan tool, where available

Perform the above in order to reset the HO2S resistance learned value and avoid possible HO2S failure.