Heated Oxygen Sensor (HO2S) Resistance Learn Reset Notice
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When replacing the HO2S perform a code clear with a scan tool, regardless of whether or not a DTC is set. Performing a code clear will reset the HO2S resistance learned value. Failure to perform a code clear may result in an HO2S failure.