One problem related to crankcase (pcv) has been reported for the 1996 Plymouth Grand Voyager. The most recently reported issues are listed below.
Whenever vehicle is taken in for a oil change there is never any oil in the crankcase. An independent mechanic diagnosed an internal oil leak in engine. Vehicle is running rough and sluggish. Oil light has just started coming on. Dealer is aware, but would like to diagnose the problem.