im having the same problem man, right after i wash it, it'll spit and sputter and then rev the hell out of it for a while and it'll clear it self or id be foulin plugs and its pissin me off, i cant figure it out, is yours spittin and sputterin even after revin the piss out of it, it doesnt clear itself, im gonna try new plug wires but i dont know could be a leak somewhere, but theres to much shit to look for