...2006 dodge ram 1500 4x4 with a 5.7 hemi. engine light came on, i got 2 codes P1521 and P0456 what do these mean? P1521 =Manf control veh spd, idle control, auxillary inputs P0456=Emission control ...
...code p0456 dodge ram 1500????? and how much 52,354 miles. can I just reset code? and how Thanks and God Bless All the code your getting is for the evaporator emissions system,look for any vacuum hose ...
...code p0456 what is it . how to fix it Hi, I believe this to be due to the loss of "fuel tank pressure". This was designed so that gas vapors are vented to the engine and does not leak out to the open ...
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