audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

EGR Vacuum Regulator Solenoid Valve <--> [EGR Electronic Vacuum Regulator Solenoid]|Specifications|Page 2367 > < EGR Vacuum Regulator Solenoid Valve <--> [EGR Electronic Vacuum Regulator Solenoid]|Specifications|Page 2365
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EGR Vacuum Regulator Solenoid Valve: Description and Operation

PURPOSE 

The EGR Vacuum Regulator Solenoid Valve controls the vacuum applied to the the EGR valve. 

OPERATION 

The EGR Vacuum Regulator Solenoid Valve is operated by a pulsed (duty cycle) ground from the Engine Control Module. The vacuum regulator
solenoid valve opens the EGR valve by applying vacuum. Engine load and speed determines the amount the EGR valve is opened or closed.

EGR Vacuum Regulator Solenoid Valve <--> [EGR Electronic Vacuum Regulator Solenoid]|Specifications|Page 2367 > < EGR Vacuum Regulator Solenoid Valve <--> [EGR Electronic Vacuum Regulator Solenoid]|Specifications|Page 2365