The principle of electronically controlled variable intake manifold length of vehicle engine is introduced in this paper. The application of this system to Audi V8(2. 8L) engine and Opel Astra(1. 8L)engine are made.

• 本文介绍车用发动机可变进气管长度电子控制原理；并举出了在奥迪VS(2.；8升)发动机、欧宝Astra(1