Two problems related to catalytic convertor have been reported for the 1997 Dodge Neon. The most recently reported issues are listed below.
Speed control speedometer doesn't work most of the time. Replace the sencsor but still doesn't work. I will never buy a Dodge again. I've also had to replace the brakes and rotor,catalytic converter. Now I'm having trouble with the paint. It's bubling and peeling off in layers all over car.
Catalytic converter failure.