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DTC P0441: EVAP System (CPC) Incorrect Purge Flow: Notes

DTC detecting condition:

Detected when two consecutive driving cycles with fault occur.

Trouble symptom:

Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to ENGINE (DIAGNOSTICS) (STI)>Clear Memory Mode>OPERATION , and inspection mode Ref. to ENGINE (DIAGNOSTICS) (STI)>Inspection Mode>PROCEDURE .

CHECK DTC .
Read the engine DTC using the Subaru Select Monitor or general scan tool. Ref. to ENGINE (DIAGNOSTICS) (STI)>Read Diagnostic Trouble Code (DTC) .

Is DTC other than P0441 displayed? (Current malfunction)

Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (STI)>List of Diagnostic Trouble Code (DTC) .

No: Go to 2
CHECK PURGE CONTROL SOLENOID VALVE .
Operate the purge control solenoid valve using the Subaru Select Monitor.

NOTE: For detailed operation procedures, refer to the "Active Test". Ref. to ENGINE (DIAGNOSTICS) (STI)>Active Test .

Does the purge control solenoid valve operate?

Yes: Go to 3

No: Replace the purge control solenoid valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (STI)>Purge Control Solenoid Valve .
CHECK EVAPORATIVE EMISSION CONTROL SYSTEM LINE .
1. Turn the ignition switch to OFF.
2. Make sure that the delivery mode fuse is removed.
Are there holes, cracks, clogging, or disconnection, misconnection of hoses or pipes in evaporative emission control system?

Yes: Repair or replace the hoses or pipes.

No: Repair the poor contact of ECM connector.