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Home >> Mercedes Benz >> 1982 >> 300CD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Gas RECIRCULATION >> Operation >> EGR Valve >> All Models
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The EGR valve is operated by vacuum signals. The valve controls the amount of EGR depending upon strength of vacuum signal. A corrugated tube from exhaust manifold provides exhaust gases to EGR valve located on intake manifold.