One problem related to check engine light on has been reported for the 2008 Ford F-450. The most recently reported issues are listed below.
The contact owns a 2008 Ford F-450 sd. The contact stated that while the vehicle was hauling a trailer at 60 mph uphill when the vehicle decelerated to 20 mph independently as the check engine warning light illuminated. The failure was recurring. The vehicle was taken to a dealer where the mechanic stated that the computer would need to be reprogrammed. The vehicle was not repaired. The manufacturer was notified. The failure mileage was 96,000. Updated 11/15/cn updated 12/2/2013.