Exhaust gas recirculation is a technique used to reduce nitrogen oxide emissions in both petrol and diesel engines. These 'EGR' systems are used in conjunction with other emissions control devices, ...

故障码p0407是排放控制系统中的一个故障，适用于所有汽车制造商。其中文含义是废气再循环阀传感器B电路低，英文含义为exhaust gas recirculation sensor B circuit low。废气再循环(EGR)系统的作用是在发动机高负荷运转时，将少量的废气导入进气歧管，降低燃烧室的温度 ...