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Home >> Buick >> 1991 >> Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 >> Repair and Diagnosis >> Sensors and Switches >> Sensors and Switches - Powertrain Management >> Sensors and Switches - Computers and Control Systems >> Oxygen Sensor >> Locations

Oxygen Sensor: Locations

Rear Of Engine.:





In Exhaust Manifold

Applicable to: 2.3L/4-138
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