One problem related to engine noise has been reported for the 2001 Ford Econoline. The most recently reported issues are listed below.
: the contact stated while driving 55 mph, there was a vibration of the vehicle, accompanied with a fluttering noise. This was followed by foul-smelling vapor, which entered the cab of the vehicle. The vehicle was taken to a service dealer, who determined that a spark plug had blown out due to a weakening of the engine head.