i filled it up with full with 90 octane gas got on the highway drove foe about 30 min. started puttering like is was missing or trying to die or like it had bad gas i got it to car quest put a can of heat in it stayed running for 10 more min. then staled out so i got a can of starting fluid started with that started back up for another 10 did the same thing and now wont start any ideas