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Home >> Hummer >> 2006 >> H3 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L - Introduction (2 Of 2) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 1 >> Tools Required >> Notes
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Tools Required: Notes

J 39194-B  Heated Oxygen Sensor Wrench. See Special Tools .

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.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.