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Home >> Ford >> 2004 >> Focus SVT, 2D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Emission Control - 2.3L) >> Description And Operation >> Engine Emission Control >> Exhaust Gas Recirculation >> Notes

Exhaust Gas Recirculation: Notes

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The EGR system returns a small amount of exhaust gas into the intake manifold (9424). This reduces the overall combustion temperature. Cooler combustion temperatures provide a significant reduction of the oxides of nitrogen (NOx) in the exhaust emissions.