OBD-II Trouble Code Description for P0457 Dodge

Evaporative Emission System Leak Detected (fuel cap loose/off)

What does this mean?

OBD2 Code P0457 Dodge definition:
A fuel tank pressure change less than a minus (-) 7 inches of water in 30 seconds has occurred after refueling; or there is excessive purge (fuel vapor) flow greater than 0.06 pounds per minute.

Symptoms

Possible sumptoms of OBD code P0457 Dodge
– Engine Light ON (or Service Engine Soon Warning Light) – Possible a noticeable fuel odor caused by the release of fuel vapors – Fuel cap indicator lamp (FCIL) may be illuminated.

Causes

Possible causes of OBD code P0457 Dodge
– Damaged, missing or loosely installed fuel filler cap. The Error code is generally activated on detection of the following conditions: EVAP control system has a very large leak such as fuel filler cap fell off

Possible Solutions

Check for a loose, missing or damage fuel filler the cap.