One problem related to service engine light on has been reported for the 2004 Ford F-250. The most recently reported issues are listed below.
Ford f250 engine stopped and vehicle lost power steering and brakes. While driving down a steep hill with the cruise control set the vehicle stalled which resulted in no power steering or brakes. The driver managed to put the vehicle in neutral and restart it. The vehicle was taken to the dealer with the service dept was closed. The consumer spoke to the service manager who indicated that if the service engine light wasn't still illuminated that they couldn't determine the problem. Twelve days later the consumer experienced the same type of failure. The vehicle was taken back to the dealer and left there from 11 am to 5:30 pm. The dealer was unable to determine the problem although they did perform various other updates. The vehicle was taken to another dealer who was also unable to determine the caused. The technician call Ford tech service who advised him that they were aware of the problem but currently had no solution or timer frame for resolving the problem. The consumer is requesting his money back since the dealer nor the manufacturer can provide a solution in a timely manner. See odi 10067096 also.