One problem related to manifold/header/muffler/tail pipe has been reported for the 1997 Plymouth Grand Voyager. The most recently reported issues are listed below.
Vehicle was parked sitting in a driveway,went to start vehicle, put it in reverse, did not reverse, instead it accelerated. Engine moved forward. Tried to stop or gain control by pushing brake,turned off vehicle, pulled key. This defect caused the consumer to hit another vehicle that was about 100 feet away.