Subaru Legacy 2004 Service Manual page 211

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
• 2.5 L model
(B)
(A)
(A) To fuel pipe (Evaporation line)
(B) To intake manifold
C: INSPECTION
Make sure the hoses are not cracked or loose.
Purge Control Solenoid Valve
EC-00224
EC(H4SO 2.0)-8