日产VG30E发动机废气再循环系统的结构、工作原理及检修

Structure,Work Principle and Service of Exhaust Gas Recirculation System of Engine NISSAN VG30E

日产VG30E发动机采用典型的电子控制废气再循环系统,其废气再循环系统的工作由微机集中控制系统(ECCS)根据相关传感器输入的信号进行控制。介绍了该系统的结构、工作原理及控制过程。在该系统的检修中,介绍了该系统工作情况的检查,控制阀的检修,电磁阀的检修,以及检修实例。

Engine NISSAN VG30E is equipped with the typical electronic co ntrol exhaust gas recirculation system.The EGR system is controlled by the elec tronic-computer centralized control system(ECCS)with signals from the relativ e sensors.Structure,work principle and control process are introduced.In the section of service,examination of work status of the system,examination and re pair of the control valve and solenoid valve and service instances are introduce d.