I been having the CEL come on several times a month with the P0456 code. So far I have replace Purge valve, leak detection pump, vac hoses, fuel pump and gas cap. Now the code comes every 4 to 5 days before was every 10 to 12 days. What i do now?
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On May 1st I removed the charcoal canister and leak detection pump. I found the leak detection pump upper half disconnected from the body, I took it apart cleaned the dust off rinse the diaphragm and put back together. So far CEL has not come back, but since I replaced the gas pump it spills gas out the fill tube if I pump gas too fast.
Many 2005-06 models had a lifetime warranty extension on the inlet check valve. If you want me to check if your vehicle is covered under this PM me your vin. See below.
NUMBER: 14-002-13 REV. A
GROUP: Fuel System
DATE: March 13, 2013
Fuel Spit Back During Refueling Due To Inlet Check Valve (X48 Lifetime Warranty
This bulletin involves replacing the fuel filler tube if the condition occurs.
NOTE: When removing the existing fuel filler tube note how it comes out to aid in
installation of the new part.
2005 - 2006 (HB) Durango
NOTE: This Extended Warranty Bulletin applies to vehicles equipped with a gasoline
engine built between December 1, 2004 (MDH 1201XX) and January 31, 2006
Some customers may experience a fuel spit back condition during a refueling event.