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Home >> Buick >> 2009 >> LaCrosse V8-5.3L >> Repair and Diagnosis >> Sensors and Switches >> Sensors and Switches - Powertrain Management >> Sensors and Switches - Computers and Control Systems >> Oxygen Sensor >> Locations

Oxygen Sensor: Locations

Front of Vehicle/Engine Compartment Component Views

Under Engine Components (LS4)

1 - Heated Oxygen Sensor (HO2S) 2

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