Two problems related to catalytic convertor have been reported for the 2003 Dodge Neon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Dodge Neon based on all problems reported for the 2003 Neon.
I have a 2003 Dodge Neon that I have took back to the dealership 5 or more times with the emmision light coming on and it still is doing it.
We purchased a Dodge Neon srt/4 and 3 weeks after having the car had problem with the manifold was cherry red,and no power what so ever the engine light was on this happen on 5/22/03 then it serviced with a catalytic convertorand on these other dates the car was in for service their after=7/15/03,7/23/03,8/20/03, the dealer we purchased the car accussed us of putting after market parts we had it inspected in another dealer and had a report stating the car had no after market parts installed.