Ok so i was driving home from worktongiht and i was below a quarter tank of gas so i filled my tank was runnng fine all weekend and after i filled my tank i was going good then i hit a redlight. Light turned green and i hit the gas and it just died, wouldnt start up was cranking i have oil and such but just wont start had it towed to the sts up the road. What could be wrong bad gas maybe?