
First of all, what is an EGR? Exhaust Gas Recirculation. EGR works by recirculating a portion of an engine’s exhaust gas back to the engine cylinders. This dilutes the O2 in the incoming air stream. The purpose of the EGR system is…
First of all, what is an EGR? Exhaust Gas Recirculation. EGR works by recirculating a portion of an engine’s exhaust gas back to the engine cylinders. This dilutes the O2 in the incoming air stream. The purpose of the EGR system is…