hmmmm.... thats weird if you were driving it all day... im only a backyard mechanic speaking from my experience when my truck wouldnt start... the distributer was completely corroded, I was getting tonnes of fuel it just wasnt getting an efficient spark to ignite. theres supposed to be vents in the dist. cap housing but there wasnt on mine, the vents let it breath and dry out condensation to stop it from corroding. so I dunno... I would pull a spark plug just to see how it looks, see if its soaked or not and then go from there. if you have someone around to give you a hand, check for spark while you have it out. theres alot more experienced mechanics on here who will come on and help you out im sure.