ok the symptoms are runs like shit, makes no power, exhaust smells of fuel. i'm sure it's missing on a cylinder, most likely #2(idle doesn't change when #2 spark plug wire is disconnected from the distributor) i cleaned the terminals on the distributor cap because the had some deposits on them but that didn't change anything. haven't checked the plugs yet though. could it be something other than the ignition system? what is your thoughts on this. oh and its a 91 240sx