Sold my class A gasoline Motorhome a couple years ago because we weren't using it enough to justify ownership, storage, etc. Now we are thinking about getting another. Think we would like a diesel b...
With a diesel, if you aren't using it for a long time either leave it alone or take it out and drive it far enough so ALL systems get up to operating temperature. The worse thing you can do is start it and let it idle for a long time. Unlike gassers, a diesel will not get up to operating temp at an idle.