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Buick
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1991
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Park Avenue Ultra V6-3.8L SC VIN 1
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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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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Locations
Oxygen Sensor: Locations
Oxygen Sensor Location:
OXYGEN SENSOR
Located between the engine and firewall, installed in the exhaust manifold.
