EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders. The exhaust gas displaces atmospheric air and reduces O 2 in the combustion chamber.

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Jul 27, 2025 · EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that recirculates exhaust gas back into the engine’s intake manifold for a return trip to the cylinders it just...

Integral to the vehicle’s engine management system, the aptly named exhaust gas recirculation valve, or EGR valve for short, recirculates finely metered quantities of exhaust gas to the engine intake …

Oct 3, 2019 · What is an Exhaust Gas Recirculation (EGR) system in a car and how it work works. How the EGR system flow is monitored.

Jul 6, 2025 · EGR stands for Exhaust Gas Recirculation, a vehicle emissions control concept used in both gasoline and diesel engines. The EGR valve is a key component of a car's exhaust system and …

The EGR valve routes a portion of your exhaust gases into the engine’s intake to reduce combustion temperatures. This helps prevent the formation of Nitrogen Oxides, or NOx, which are pollutants.

The EGR rate is defined as the percentage of exhaust gases from the total gas mass induced into the engine. For example, an EGR rate of 33 % means that a third of the gas which enters the cylinders is …

Jul 1, 2025 · Simply put, EGR is short for exhaust gas recirculation. This is one of many initialisms used in the automotive industry for a system, or a component within a system, that is part of the...

4 days ago · Discover what an Exhaust Gas Recirculation (EGR) system is, how it reduces NOx emissions, its benefits, components, common issues, and maintenance tips.