Heated Oxygen Sensor Replacement - Sensor 2

WARNING: This page is about a different variant/trim than selected.

Fig 1: Heated Oxygen Sensor - Sensor 2

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Heated Oxygen Sensor 2 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. CAUTION: Refer to Fastener Caution . Procedure Disconnect the heated oxygen sensor 2 wiring harness plug. Remove the heated oxygen sensor 2. When re-using the heated oxygen sensor, coat the thread with assembly paste. 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) . 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) and Special Tools (Removal and Installation) .

Callout

Component Name

Heated Oxygen Sensor 2

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.

CAUTION: Refer to Fastener Caution .

Procedure

Disconnect the heated oxygen sensor 2 wiring harness plug.
Remove the heated oxygen sensor 2.
When re-using the heated oxygen sensor, coat the thread with assembly paste.
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) .

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) and Special Tools (Removal and Installation) .