One problem related to check engine light on has been reported for the 1996 Plymouth Neon. The most recently reported issues are listed below.
While driving at any speed vehicle was cutting off and stalling, and sometimes consumer couldn't go over 30 mph. When consumer tried to get over 30 mph, vehicle would stall and cut off without prior warning. Also, air conditioner had problems, and engine check light kept coming on. Dealer had to change the engine check light, consumer took vehicle in for repair service about 10 times, and the consumner just got the vehicle out of the shop on Feb 17th. Dealer can't determine the problem.