OUTLINE
A linkless-type throttle body is used to achieve excellent throttle control.
A plastic intake air surge tank is used.
The Electronic Throttle Control System-intelligent (ETCS-i) is used to ensure excellent throttle control in all operating ranges. For details, see the 4GR-FSE Engine Control.
The Acoustic Control Induction System (ACIS) is used to improve the engine performance in all speed ranges. For details, see the 4GR-FSE Engine Control.
Electronic Swirl Control Valves (SCV) are provided in the intake manifold. For details, see the 4GR-FSE Engine Control.