Heated Oxygen Sensor Replacement - Sensor 2

Fig 1: Heated Oxygen Sensor - Sensor 2

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool. Preliminary Procedures Raise the vehicle. Refer to Lifting and Jacking the Vehicle (Standard) . Disconnect heated oxygen sensor 2 wiring harness plug.
1	Heated Oxygen Sensor 2 CAUTION: Refer to Fastener Caution . Tighten 42 N.m (31 lb ft) Special Tools EN-6179 Heated Oxygen Sensor Remover/Installer For equivalent regional tools, refer to Special Tools (Diagnostic Tools) .

Callout

Component Name

WARNING:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

Preliminary Procedures

Raise the vehicle. Refer to Lifting and Jacking the Vehicle (Standard) .
Disconnect heated oxygen sensor 2 wiring harness plug.

Heated Oxygen Sensor 2

CAUTION:

Refer to Fastener Caution .

Tighten
42 N.m (31 lb ft)
Special Tools
EN-6179 Heated Oxygen Sensor Remover/Installer
For equivalent regional tools, refer to Special Tools (Diagnostic Tools) .