DTC P0455: EVAP System (CPC) Leak Detected (Large Leak): Notes
DTC detecting condition:
Detected when two consecutive driving cycles with fault occur.
Trouble symptom:
- Fuel odor
- There is a hole of more than 1.0 mm (0.04 in) dia. in evaporation system or fuel tank.
- Fuel filler cap loose or lost
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to
OPERATION
, Clear Memory Mode, and Inspection Mode Ref. to
PROCEDURE
, Inspection Mode.
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK FUEL FILLER CAP.
NOTE:
The DTC is stored in memory if fuel filler cap is or was loose or if the cap chain has caught while tightening.
|
Is the fuel filler cap tightened securely? | Go to step 2 | Tighten fuel filler cap securely. |
| 2 CHECK FUEL FILLER CAP. | Is the fuel filler cap genuine? | Go to step 3 | Replace with a genuine fuel filler cap. |
| 3 CHECK FUEL FILLER PIPE GASKET. | Is there any damage to the seal between fuel filler cap and fuel filler pipe? | Repair or replace the fuel filler cap and fuel filler pipe. Ref. to FUEL FILLER PIPE | Go to step 4 |
| 4 CHECK PURGE CONTROL SOLENOID VALVE. Check air-tightness of the purge control solenoid valve. Ref. to INSPECTION , Purge Control Solenoid Valve. |
Is the check result OK? | Go to step 5 | Replace the purge control solenoid valve. Ref. to PURGE CONTROL SOLENOID VALVE |
| 5 CHECK EVAPORATIVE EMISSION CONTROL SYSTEM LINE. | Are there holes on the evaporation line? | Repair or replace the evaporation line. Ref. to FUEL DELIVERY AND EVAPORATION LINES | Go to step 6 |
| 6 CHECK CANISTER | Are there holes on the canister? | Replace the canister. Ref. to CANISTER | Go to step 7 |
| 7 CHECK LEAK CHECK VALVE ASSEMBLY | Are there damage or holes on the leak check valve assembly? | Replace the leak check valve assembly. Ref. to LEAK CHECK VALVE ASSEMBLY | Go to step 8 |
| 8 CHECK FUEL TANK. Remove the fuel tank. Ref. to FUEL TANK |
Are there damage or holes on the fuel tank? | Repair or replace the fuel tank. Ref. to FUEL TANK | Go to step 9 |
| 9 CHECK ANY OTHER MECHANICAL TROUBLE IN EVAPORATIVE EMISSION CONTROL SYSTEM. | Are there holes, cracks, clogging, or disconnection, misconnection of hoses or pipes in evaporative emission control system? | Repair or replace the hoses or pipes. | Repair the poor contact of ECM connector. |