Subaru 2009 IMPREZA Service Manual page 636

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
8 CHECK CANISTER.
9 CHECK FUEL TANK.
Remove the fuel tank. <Ref. to FU(H4SO)-54,
Fuel Tank.>
10 CHECK ANY OTHER MECHANICAL TROU-
BLE IN EVAPORATIVE EMISSION CON-
TROL SYSTEM.
Check
Is the canister damaged or is
there a hole of more than 0.5 mm
(0.020 in) dia. in it?
Is the fuel tank damaged or is
there any hole of more than
0.5 mm (0.020 in) dia. in it?
Is there any hole of more than
0.5 mm (0.020 in) dia., crack,
clogging, or disconnections,
bend, misconnection of hoses
or pipes in evaporative emis-
sion control system?
EN(H4SO)(diag)-219
ENGINE (DIAGNOSTICS)
Yes No
Repair or replace Go to step 9.
the canister. <Ref.
to EC(H4SO)-5,
Canister.>
Repair or replace Go to step 10.
the fuel tank. <Ref.
to FU(H4SO)-54,
Fuel Tank.>
Repair or replace Repair the poor
the hoses or pipes. contact of ECM
connector.