The only fuel you will lose is what's under pressure in the lines and once the pressure(if any) is gone, there's not much that will drain out except...
Thanks. I see the Interstate guy about once a week. I would bet they changed their uniforms by now but maybe not. I saw a cool AC Delco shirt I might...
Years ago I took my Volvo to a trusted friend to have a service done. I didn't think they carried a cabin filter so I replaced it a few days earlier....