One problem related to diesel engine has been reported for the 1996 Dodge Ram 2500. The most recently reported issues are listed below.
If the vehicle sits for an extended period of time it does not start. It may start up for just a second then cuts off. Contacted dealer. When the vehicle is parked on a steep hill and consumer goes to start it, it takes 5-8 seconds for a vacuum to build up to hold vehicle. Emergency brakes have to be on or the vehicle will roll backwards. This is a characteristic of a diesel engine.