One problem related to gas recirculation valve (egr valve) has been reported for the 1996 Plymouth Grand Voyager. The most recently reported issues are listed below.
After driving about 45 minutes in extremely hot weather, over 100 degrees, without warning, the van just shuts off while driving at least 70 mph. 3 different dealerships have not been able to duplicate problem. Van at dealer 8 times since January, 1997, 5 times since August 25, 1997.