I recently rebuilt my 3.0 and reinstalled it.she fired right up and runs pretty good but ive got. A code 1130 (swirl control vacume switch) and as much work as ive done on her (bumper to bumper) I have no idea how to deal with this issue any help would be grately apprietiated. 2000 nissan maxims se. Manual

 

Your lower intake manifold has the swirl valves/ butterfly's in it you probably have the vacuum lines going to that connected wrong or not connected check all parts that go to the lower intake manifold