Two problems related to engine and engine cooling have been reported for the 2003 Ford F-550. The most recently reported issues are listed below.
Watter seperator valve dumped fuel on the turbo causing a fire.
The contact owns a 2003 Ford f550 super duty. While driving less than 70 mph, the check engine warning indicator illuminated on the instrument panel. Immediately following, flames appeared under the hood of the vehicle. The fire was described as "violent" with flames at least 70 feet high. The police and fire departments were called to the scene and a report was filed. The cause of the failure was unknown. The contact has supporting documentation, including videos and photos. The failure and current mileages were 125,000.