what does error code P0456 mean fora 2006 Dodge Stratus?

Asked by Jul 27, 2012 at 06:54 PM about the 2006 Dodge Stratus

Question type: Maintenance & Repair

I have a 2006 Dodge Stratus with a check engine light lit up on the dash.  I used a computer test thing that
my friend owns.  After plugging it into my car the error code that came up was P0456.  Could you please
tell me what that code means?

1 Answer

257,915

P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause: A small leak in any of the EVAP hoses or fuel tank hoses A small leak in the purge valve or vent valve The EVAP Canister may be leaking

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