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.

Sep 19, 2020 · EGR stands for exhaust gas recirculation, a vehicle emissions control concept used in both gasoline and diesel engines. The EGR valve — which works differently …

Oct 3, 2019 · Exhaust gases are no longer combustible. Diluting the intake air with exhaust gases makes the air/fuel charge less combustible. Not all vehicles are equipped with an EGR …

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 …

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 …

Apr 16, 2025 · EGR system can experience various problems that affect their performance and lead to engine issues. Common problems include carbon buildup, valve sticking, and sensor …

Exhaust gas recirculation (EGR) is an emission control technology used in modern IC engines (gasoline/petrol engines and diesel engines) to reduce NOx emission.

Dec 23, 2022 · A car's EGR, or, exhaust gas recirculation, system is a crucial component in cutting gasoline and diesel vehicle tailpipe emissions.

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...

May 1, 2023 · Exhaust gas recirculation (EGR) is an emission control technology that reduces nitrogen oxide (NOx) emissions from internal combustion engines.