One problem related to gasoline engine has been reported for the 1999 Ford F-450. The most recently reported issues are listed below.
After I stopped to pick-up some groceries I started the truck when a loud bang happened. I could smell gas an the engine started shaking. I shut it off. The next mourning I took it to parma car care specialists an they informed me the spark plug blew out of the head stripping all the threads with it an also the ignition coil was damaged needing replacement.