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Optima Hybrid
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Repair and Diagnosis
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Engine Control System Diagnosis (3 Of 3) (HEV)
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DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1)
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Component Location
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Component Location
Fig 1: Locating 1. HO2S (S1)
Courtesy of KIA MOTORS AMERICA, INC.