to the TSB, certain F-250, F-350, F-450 or F-550 models with 6.4-liter
Power Stroke motors manufactured between April 3 to May 21, 2007
faulty fuel injectors in cylinders 1, 5 and 7 that need to be replaced
with new units.
to Ford spokesperson Wes Sherwood, the injectors were accidentally
damaged during testing at the supplier's facilities, caused
by human error setting up test equipment. The
damaged injectors create a misfire condition that will cause the vehicle
to run rough or hesitate, especially during acceleration.
engines have been impacted by the issue. The majority of those engines
have either been corrected at the factory or are being corrected in
dealer inventory. Approximately 250 engines are
in customer hands and Ford has notified those owners of the
says the fix requires a few hours to correct and that there is an ample
supply of properly working injectors available to replace faulty units.