| 摘要 |
PURPOSE:To prevent adhesion of a deposit to an intake secondary passage as a fuel consumption effect is maintained as in a conventional device. CONSTITUTION:In an intake device wherein at least two intake passages are connected to one cylinder, a swirl control valve SCV (a first control valve) is arranged in the secondary passage 16 of one of the two intake passages and a primary port shutter valve PSV (a second control valve) is located in the primary passage 14 of the other thereof, the first control valve is forcibly opened in a fuel cut state during deceleration of a vehicle. Further, the second control valve is closed in synchronism therewith. Further, an air feed amount is increased by a given value. |
