can a evep leak becomming from the erg switch/vavle on the intake on 1997 Ford F-150

Had someone replace the upper & lower intake gasket recently and soon after that we had a code 0455. we replaced gas cap. we replaced the vavle closed the the evap cannister A large leak, missing hose, we have run a evap test once is there a part by the EGR Valve that we can replace we also lost the cruise before we replaced the intake gaskets. can it also be the same control, control that?

Asked by for the 1997 Ford F-150
have a smoke test done to find vac leak. to answer your ? yes any vac leak could cause that code
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You need to find that vacuum leak, and yes, if vacuum has a leak...all components depending on that vacuum will have issues.