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Heated Oxygen Sensor Replacement - Sensor 2 (LAU)

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Heated Oxygen Sensor - Sensor 2 (LAU)
GM2020011Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
1 Heated Oxygen Sensor
CAUTION: Refer to Fastener Caution .

Procedure: 
Disconnect the electrical connector.

Tighten:  42 N.m (31 lb ft)