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04-6 1719-02 Swirl control valve Operates variably in accordance with the engine load and rpm. * For more information, refer to Chapter "Engine Control". 1719-01 Intake manifold Passage for intake air during the operation of variable swirl valve 1719-16 Electric throttle body * For more information, refer to Chapter "Engine Control". 1. OVERVIEW The intake system for D20DTF engine is equipped with an electric throttle body which includes a flap. This flap is controlled by an electrical signal to cut off the intake air entering to the engine when the ignition switch is turned off. To be sure to get the optimized swirl in intake manifold, the swirl valve and dual type port have been adopted. And, the improved HFM sensor has been adopted to control the intake air volume more precisely. 2. COMPONENTS 2330-01 Intercooler assembly |