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Home >> Subaru >> 2002 >> Outback L.L.Bean Edition AWD F6-3.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> Description and Operation
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Exhaust Gas Recirculation: Description and Operation




GENERAL
- The EGR system aims at reduction of NOx by lowering the combustion temperature through recirculation of a part of exhaust gas into cylinders via the intake manifold.
- The EGR valve is controlled by the ECM according to the engine operating condition.