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2011
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Optima SX
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (3 Of 3) - 2.0L
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DTC P2237: O2 Sensor Pumping Current Circuit Open (Bank 1/Sensor 1)
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General Information
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Diagnostic Circuit Diagram
Diagnostic Circuit Diagram
Fig 1: Oxygen Sensor Circuit Diagram
Courtesy of KIA MOTORS AMERICA, INC.