P0457

P0457-LOOSE FUEL CAP

WHEN MONITORED
Ignition on. Ambient temperature between 4° C and 32° C (39° F and 89° 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 fill cap