Exhaust Pressure Regulator Vacuum Valve: Description and Operation
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Exhaust Pressure Regulator Vacuum Valve: Description and Operation
Vacuum Control Valve
Fig. 17 Vacuum control valve. (Typical)
During rapid acceleration, the vacuum control valve, Fig. 17, monitors vacuum in the reservoir and engine vacuum. The control valve serves to
activate a second EGR control valve when there is a sudden drop in the vacuum signal.
