What is Egr valve?
Egr valve definition and meaning on Dictionary terms:
See under exhaust-gas recirculation.
Definition for egr valve (2 of 2)exhaust-gas recirculation
[ ig-zawst-gas ]SHOW IPA
/ EagE?zE?stE?gA|s /PHONETIC RESPELLING
a method of returning part of the exhaust gases to an engine by means of a valve (EGR valve) in order to reduce the combustion temperature, which leads to a reduction in the formation of pollutants. Abbreviation: EGR