GMC P0457 EVAP System Leak Detected/Fuel Fill Cap Loose Or Missing

Description

OBD-II Trouble Code Description for P0457 GMC

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

What does this mean?

OBD2 Code P0457 GM 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 GM
– 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 GM
– 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.

The OBD2 Code Information Be Applicable For GMC:

2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC Terrain,2010 GMC Granite Concept,2009 GMC Sierra Hybrid Crew Cab,2008 GMC Yukon Hybrid,2008 GMC Denali XT Concept,2007 GMC Yukon XL,2007 GMC Yukon Denali,2007 GMC Yukon,2007 GMC Sierra Denali,2007 GMC Sierra Classic,2007 GMC Sierra 3500 HD SLT Crew Cab,2007 GMC Sierra 2500 HD SLT Extended Cab,2007 GMC Sierra,2007 GMC Acadia,2005 GMC Sierra Denali 1500 Crew Cab,2005 GMC Graphyte Concept,2005 GMC Envoy XL Denali,2005 GMC Envoy Denali

Note:

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