Heated Oxygen Sensor Replacement - Sensor 2

Fig 1: Heated Oxygen Sensor - Sensor 2

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to Exhaust Service Warning . Preliminary Procedures Battery Negative Cable Disconnection and Connection Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
1	Heated Oxygen Sensor CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. 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

Callout

Component Name

WARNING: Refer to Exhaust Service Warning .

Preliminary Procedures

Heated Oxygen Sensor

CAUTION: Refer to Fastener Caution .

Procedure

Disconnect the electrical connector.
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