Subaru 2002 IMPREZA Service Manual page 1268

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
9 CHECK POOR CONTACT.
Check poor contact in pressure sensor con-
nector.
Check
Is there poor contact in pres-
sure sensor connector?
EN(TURBO)-108
Yes
Repair the poor Replace the pres-
contact in pres- sure sensor. <Ref.
sure sensor con- to FU(TURBO)-35,
nector. Pressure Sensor.>
No