I stopped for gas yesterday and the jeep wouldn't start back up (it would turn over but wouldn't fire.) I lifted the hood and noticed smoke coming out of the aircleaner box, when I opened that up the smoke poured out (light grey to white and I didn't notice the smell) I disconnected the aircleaner from the throttle body and opened it to wot and the smoke kept coming out really thick for a while, after the smoke dissipated the jeep still wouldn't start. I have a 93 sport 4.0 when I depress the valve on the fuel rail it shoots gas over the passenger side fender so I assume the pressure is good, and the oil is good and looks normal.