P0457-76 - EVAP System Leak Detected (fuel cap loose/off) - Wrong mounting position: Action
NOTE:
- If purge valve related DTCs are also set, perform the relevant corrective action(s) first.
- It is not possible to replicate the failure event as certain entry conditions must be satisfied (for more information, refer to Evaporative Emissions/DESCRIPTION AND OPERATION ). To verify the customer concern, perform routine Evaporative System Diagnostic Check and re-read DTCs.
- Refer to the relevant service information and check the evaporative emissions system for leaks.
For additional information, refer to EVAPORATIVE EMISSIONS - V6 S/C 3.0L PETROL .