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Buick
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1991
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Regal V6-231 3.8L VIN L SFI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Oxygen Sensor
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Locations
Oxygen Sensor: Locations
RH Rear Of Engine.:
Rear Of Engine, In Exhaust Manifold
Applicable to: Regal w/3800/V6-231
