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Home >> Ford >> 2024 >> E-Transit Cutaway >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Engine Emission Control - 3.5L DURATEC (202KW/275PS)) >> Description And Operation >> Exhaust Gas Recirculation (EGR) System >> Overview

Exhaust Gas Recirculation (EGR) System: Overview

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The EGR system controls the NOX emissions. Small amounts of exhaust gasses recirculate back into the combustion chamber to mix with the air fuel charge. The combustion chamber temperature is reduced, lowering NOX emissions.