alright guys im getting fuel and spark but it wont start. ive cleaned all the injectors and fuel rail. and no help i tryed to spray starter fluid in the intake didnt seem to help i checkd the plugs they are fine and i tryd spraying starter fluid in each cylinder that would get it to fire only once, tho. it also seems like its pushing air out of the intake? and backfiring when i spray starter fluid into the intake it actualy shot a flame out the last time i tryed starting it with fluid in the intake? is the timing way outa wack? plz help