God damn fuel guage!

[ProjectXR]

So i'm driving along to the gym today, cars running well, next thing you know my fuel gauge goes from full to empty and stayed there for a good 10 mins. WTF! so i pull over turn ther car off and back on again and its fine, 5mins later its reading empty again????? what is going on???

any sugestions from you guys i'm almost ready for my 60k service but don't really want to go in before then. HELP!