hi nice site . Looking for help well after some research on this site i thing it's the IP .1993 no turbo 7.3 just bout it. hot or cold will no start with out either 1 blast starts right up will run all day if you shut it off and restart with in 5 minutes it fires right up with no throttle. wait 10 minutes you must hold full throttle to start .wait 15 no go must have either help. Shane