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Home >> Mercedes Benz >> 1987 >> 300D >> Repair and Diagnosis >> Engine Performance >> System >> EGR System >> Component Operation >> Vacuum Amplifier
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Vacuum Amplifier

The vacuum that is modulated by the vacuum control valve is amplified for EGR in the vacuum amplifier. The EGR valve is activated by a switchover valve. The modulated vacuum can be varied with an adjusting screw.

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