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International DT466 – ENGINE SYSTEMS – Air Management System – Exhaust Gas Recirculation (EGR) System

The EGR system includes the following:
• EGR control valve
• EGR cooler
• Air intake manifold
• Inlet and EGR mixer duct
• Exhaust manifold
• Exhaust gas crossover

The Exhaust Gas Recirculation (EGR) system reduces Nitrogen Oxide (NOx) emissions. NOX forms during a reaction between nitrogen and oxygen at high temperature during combustion.
Combustion starts when fuel is injected into the cylinder before or slightly after the piston reaches top-dead-center.