subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 3269 > < Diagram Information and Instructions|Page 3267
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EGR Control Solenoid: Description and Operation

EGR System

PURPOSE

Controls when EGR operation occurs.

LOCATION

Under the right intake runner.

EGR Solenoid

OPERATION

The EGR control solenoid valve is in the vacuum line between the throttle body and EGR valve.  When energized by the ECU, the valve opens
allowing vacuum to the EGR valve diaphragm, opening the EGR valve.  The control unit calculates various inputs such as engine temperature and
speed in determining when to operate the solenoid valve.

Diagram Information and Instructions|Page 3269 > < Diagram Information and Instructions|Page 3267