What Does Exhaust Gas Recirculation Flow Mean?

What Does Exhaust Gas Recirculation Flow Mean? The Exhaust Gas Recirculation (EGR) system is a part of the vehicle emission control. It directs a portion of exhaust gases back into the engine intake to lower the combustion temperature, read more how the EGR system work. The code P0400 is set when the EGR system flow … Continue reading What Does Exhaust Gas Recirculation Flow Mean?