Home >> Ford >> 2017 >> Focus RS >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls - Fuel Charging And Controls - Turbocharger - 2.3L ECOBOOST (257KW/350PS) - Mi4 (Except Electric Vehicle) >> Description And Operation >> Turbocharger - System Operation and Component Description >> System Operation