Buick Workshop Service and Repair Manuals > Regal V6-191 3.1L (1991) > Sensors and Switches | Sensors and Switches - Powertrain Management | Sensors and Switches - Computers and Control Systems | Oxygen Sensor | Component Information | Technical Service Bulletins

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Oxygen Sensor: Locations

Rear Of Engine.

Rear Of Engine, In Exhaust Manifold

Applicable to: Cutlass Supreme, Grand Prix & Regal w/3.1L/V6-19

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