Heated Oxygen Sensor Replacement - Sensor 1

Fig 1: Heated Oxygen Sensor - Sensor 1

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 Procedure Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
1	Heated Oxygen Sensor 1 CAUTION: Refer to Fastener Caution . Procedure Remove the wiring harness from retainer clip. Disconnect electrical connector. After replacement of the heated oxygen sensor, use a scan tool to speed up learn functions. Refer to K20 Engine Control Module: Programming and Setup (LUV, LUW or LWE) . If reusing the heated oxygen sensor, coat the thread with assembly paste. Tighten 42 N.m (31 lb ft) Special Tools EN-48259 Installer/Remover For equivalent regional tools, refer to Special Tools (Diagnostic Tools) and Special Tools (Removal and Installation)

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 Procedure Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

Heated Oxygen Sensor 1

CAUTION: Refer to Fastener Caution .

Procedure

Remove the wiring harness from retainer clip.
Disconnect electrical connector.
After replacement of the heated oxygen sensor, use a scan tool to speed up learn functions. Refer to K20 Engine Control Module: Programming and Setup (LUV, LUW or LWE) .
If reusing the heated oxygen sensor, coat the thread with assembly paste.

Tighten
42 N.m (31 lb ft)
Special Tools
EN-48259 Installer/Remover
For equivalent regional tools, refer to Special Tools (Diagnostic Tools) and Special Tools (Removal and Installation)