FixVault

Heated Oxygen Sensor Replacement - Sensor 1

Fig 1: Heated Oxygen Sensor - Sensor 1
GM3657226Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Battery Negative Cable Disconnection and Connection
  2. Engine Sight Shield Replacement
1 Wiring Harness Clip
2 Heated Oxygen Sensor
Procedure 
  1. Disconnect the electrical connector.
  2. When the replacement is completed, use a scan tool to perform the appropriate reset functions. 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)