The EVAP vent control valve (solenoid), orvent valve,is a part of the EVAP system. It controls the flow of outside air in and out of the charcoal canister. In some cars, it's called Canister Close Valve (CCV).
国五车油箱可以用油箱盖密封,碳罐通往发动机管路有清污阀(也叫脱附阀,purge valve)密封,但是碳罐通大气口没有关闭,所以无法诊断泄漏。国六车在国五的基础上,增加了碳罐通大气口的密封装置,在配合软件和一些压力/流量传感器,并可以检测是否泄漏。如果用压降法,国六EVAP在碳罐通大气口增加了一个电磁阀(CVS阀,碳罐...
What this code means is that the computer has tested the evap system and was not able to draw a vacuum on the fuel tank. it does this by turning on the evap vent valve which closes the fuel tank vent off, It then opens the vacuum solenoid and allows engine vacuum to be drawn on th...
• Purge Volume Control Valve • Purge Cut Valve (if equipped) • EVAP System Pressure Sensor • Vent Control Valve • Vacuum Cut Valve Bypass Valve • Vacuum Cut Valve • Water Separator (and associated hoses) IMPORTANT REMINDER: Before disconnecting any hose, make sure you mark ...