toby ... 7/28/2010
1980 Ford Granada ESS 6 Cyl 4.1L
wat does egr valve control ,wat happens when it goes out ?how can u test it
Spoon Sports 5/23/2011
EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders. In a gasoline engine, this inert exhaust displaces the amount of combustible matter in the cylinder. In a diesel engine, the exhaust gas replaces some of the excess oxygen in the pre-combustion mixture.