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Optima S
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Section 274 (Engine Control System (PHEV))
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Electric EGR Control Valve
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WARNING:
This page is about a different car, the 2018 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of KIA MOTORS AMERICA, INC.
Courtesy of KIA MOTORS AMERICA, INC.