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Home >> Kia >> 2015 >> Optima Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.0L (Except HEV) >> DTC P2251: O2 Sensor Reference Ground Circuit Open (Bank 1/Sensor 1) >> General Information >> Component Location
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Component Location

Fig 1: Oxygen Sensor Location (Bank 1 Sensor 1) Component Location
G07382941Courtesy of KIA MOTORS AMERICA, INC.