Update.... after giving it 2 Isopropyl Alcohol washes , using a toothbrush on the tube and cap threads and putting a drop of Noalox ,the provari worked great last night and all today..........UNTIL tonight got the E8 error again and it stop firing, gave it another wash and its back running for now , AM i ...... -mad -angry nope not at all , been in email contact with cecilia from provape and let me tell you they have fast and A+ customer service , will be getting a RBA form provape so they can check it out and repair ... its just a weird problem can work for 30 min and die or work for 10 hours and die , my luck will be they will check it out and it will work like a champ for them and say we cant nothing wrong lol