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Home >> Kia >> 2016 >> Rio LX, 4D Hatchback, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> General Information >> Diagnostic Circuit Diagram
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Diagnostic Circuit Diagram

Fig 1: O2 Sensor Circuit Diagram
G11847907Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: O2 Sensor Connector Terminals
G11847908Courtesy of KIA MOTORS AMERICA, INC.
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