•  The flow amount of the one port is suppressed by the swirl control valve, the required swirl in the cylinder of the intake air downstream is generated, and then formation of air-fuel mixture is promoted.

•  The swirl control valve is built into the intake manifold.

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•  For details on the swirl control valve position sensor, refer to the CONTROL SYSTEM. (See SWIRL CONTROL VALVE POSITION SENSOR [SKYACTIV-X 2.0].)

•  The swirl control valve actuator, which opens/closes the swirl control valve, operates based on the signal from the PCM.

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•  The flow amount of the intake air supplied inside the cylinder is controlled by opening/closing the swirl control valve.