Tag Archives: disable swirl flap

Swirl Flaps Intake Solution

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Swirl flaps are small butterfly valves located in the intake manifold. They are designed to improve fuel atomization and combustion efficiency by swirling the air in the intake manifold. Swirl flap position is adjusted by an electrical or vacuum-actuated servo mechanism which is under the control of the engine management system (ECU). In a typical implementation the […]