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Kia
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2012
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Optima SX
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System - 2.0L
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Heated Oxygen Sensor (HO2S)
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Schematic Diagrams
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Circuit Diagram
Circuit Diagram
Fig 1: Heated Oxygen Sensor Circuit Diagram
Courtesy of KIA MOTORS AMERICA, INC.
Courtesy of KIA MOTORS AMERICA, INC.