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
- CHECK DTC
.
Read the engine DTC using the Subaru Select Monitor or general scan tool. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>READ DIAGNOSTIC TROUBLE CODE (DTC) .
Is other than DTC P0441 displayed? (Current malfunction)
Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (H4DO)>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) (H4DO)>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) (H4DO)>PURGE CONTROL SOLENOID VALVE .
- CHECK EVAPORATIVE EMISSION CONTROL SYSTEM LINE
.
Turn the ignition switch to OFF.
Are there holes, cracks, clogging, or disconnection, misconception 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.