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Home >> Peugeot >> 1982 >> 604 Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Gas RECIRCULATION (Turbo) >> Operation >> EGR Valve

EGR Valve

When no vacuum is applied to the EGR valve, it is held closed by spring pressure. When vacuum is applied, the EGR valve opens proportionally with the amount of vacuum.

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