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Home >> Subaru >> 2003 >> Outback F6-3.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Description and Operation >> Exhaust Gas Recirculation (EGR) System
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Exhaust Gas Recirculation (EGR) System





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.