Subaru Impreza 2003 Service Manual page 584

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
6 CHECK POOR CONTACT.
Check poor contact in purge control solenoid
valve connector.
Check
Is there poor contact in purge
control solenoid valve connec-
tor?
EN(H4SO)-172
Yes
Repair poor con- Contact with SUB-
tact in purge con- ARU distributor
trol solenoid valve service.
connector.
NOTE:
Inspection by DTM
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple