Ok i have a 2000 7.3. Pulled out of parking lot today from work ran good made it a couple hundred yard then lost power idles rough lower power in the lower rpm range. No check engine light but the service engine soon light came on. Plz help im out of state my wife is flying in sunday i have no other way to drive the hour and a half to pick her up. And have no way to work. Truck will start and idle just really rough. It will drive and i can get it up to speed, but slowly. Runs a little better at higher rpms like 2500+ but not much. No smoke no over heating, good oil pressure plz help!!!!!!!!!