One problem related to fuel injection rail has been reported for the 1999 Ford F-150. The most recently reported issues are listed below.
The contact owns a 1999 Ford f150. The high pressure fuel rail on the engine rusted very badly. The contact just noticed this problem yesterday, the vehicle was purchased brand new, and it has low mileage. The dealership told him that he should probably file a complaint; but they have not looked at the vehicle yet. The vehicle was purchased November 27, 1998. Update 11/15/05.