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Home >> Hyundai >> 2013 >> Tucson GL, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> General Information >> Diagnostic Circuit Diagram
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Diagnostic Circuit Diagram

Fig 1: Oxygen Sensor (Bank 1/Sensor 1) Circuit Diagram
G06872093Courtesy of HYUNDAI MOTOR CO.