One problem related to catalytic convertor has been reported for the 1996 Plymouth Voyager. The most recently reported issues are listed below.
I took my 1996 Plymouth Voyager in to have the exhaust replaced as well as an oxygen sensor. I asked the mechanic to give it a general evaluation in case their where any other issues. He told me the strut towers were rusting througn and that this is a common problem with this vehicle.