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Ford Expert
155 Answers
- Posted on Nov 27, 2012
Re: My trouble code is p0456 what is my problem my check...
There is a small air leak in the vehicles Evap system. This includes the fuel cap, fuel filler neck, fuel tank, all evap lines and solenoids that could be the problem. Most common are the filler neck where the gas cap goes...sometime you can see small cracks.
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