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Heated Oxygen Sensor Replacement - Sensor 2

Fig 1: Heated Oxygen Sensor - Sensor 2
GM3657229Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
WARNING:

Refer to Exhaust Service Warning .

Preliminary Procedures

  1. Battery Negative Cable Disconnection and Connection
  2. Raise and support the vehicle. Lifting and Jacking the Vehicle
1 Heated Oxygen Sensor
CAUTION:

Refer to Fastener Caution .

Procedure

  1. Disconnect the electrical connector.
  2. After replacement of the heated oxygen sensor, use a scan tool to reset functions. Refer to Control Module References .

Tighten 
42 N.m (31 lb ft)
Special Tools 
EN-6179  Heated Oxygen Sensor Remover / Installer
Equivalent regional tools:Special Tools (Diagnostic Tools)Special Tools (Mechanical Tools)