gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Excessive Force and Oxygen Sensor Caution|Page 3673 > < Excessive Force and Oxygen Sensor Caution|Page 3671
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Oxygen Sensor: Service Precautions
Heated Oxygen Sensor Resistance Learn Reset Caution

Heated Oxygen Sensor Resistance Learn Reset Caution

Caution:  When replacing the HO2S perform the following:

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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.

Excessive Force and Oxygen Sensor Caution|Page 3673 > < Excessive Force and Oxygen Sensor Caution|Page 3671