Heated Oxygen Sensor Replacement - Sensor 1

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

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 Procedures Turn ignition off. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . Disconnect the heated oxygen sensor 1 wiring harness plug.
1	Heated Oxygen Sensor 1 CAUTION: Refer to Fastener Caution . Tighten 42 N.m (31 lb ft)

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

Turn ignition off.
Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
Disconnect the heated oxygen sensor 1 wiring harness plug.

Heated Oxygen Sensor 1

CAUTION:

Refer to Fastener Caution .

Tighten
42 N.m (31 lb ft)