One problem related to loud engine noise has been reported for the 2002 Ford E-350. The most recently reported issues are listed below.
The contact owns a 2002 Ford e350. While driving approximately 20 mph on normal road conditions, the contact heard a loud noise that sounded like an explosion. The vehicle proceeded to a stop sign and resumed normal operation. The failure occurred without warning. The vehicle was taken to an authorized dealer for inspection and they stated that the spark plug blew out in the engine. The vehicle was repaired. The vehicle was taken to an authorized dealer on a separate occasion for an identical failure. The dealer replaced the spark plugs. The failure mileage was 60,000 and current mileage was 72,000.