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Tucson GL, Automatic
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Engine Control System Diagnosis (2 Of 2)
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DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1)
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General Information
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Diagnostic Circuit Diagram
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Diagnostic Circuit Diagram
Fig 1: Oxygen Sensor (Bank 1 / Sensor 1) Circuit Diagram
Courtesy of HYUNDAI MOTOR CO.
Courtesy of HYUNDAI MOTOR CO.