One problem related to fuel injection has been reported for the 2004 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford F-150 based on all problems reported for the 2004 F-150.
Vehicle was parked and consumer noticed fluid was leaking from underneath the vehicle. And a odor was coming in from the vents. Consumer drove the vehicle to the dealer for inspection, and mechanic determined that o ring needed to be replaced inside of the engine. Also, a second problem occurred. While applying the brakes pedal went to the floor,and the driver heard a squeaking noise. Mechanic determined that the both front rotors needed to be replaced.