PRE-RELEASE

Caution: Programming/resetting resistance for heated oxygen sensor

/ 9-4x / 2011 / 0. General / General / Location of components / Caution: Programming/resetting resistance for heated oxygen sensor

Warning

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.