P0457

Test 1:

SYMPTOM
P0457-LOOSE FUEL CAP

WHEN MONITORED
Ignition on. Ambient temperature between 4 degrees C and 32 degrees C (39 degrees F and 89 degrees F) Closed Loop fuel system.

SET CONDITION
The PCM has detected an EVAP System leak after a fuel level increase. Two Trip Fault. Three good trips to turn off the MIL.

POSSIBLE CAUSES
- Loose or missing fuel CAP
- P0455 active