One problem related to emission control has been reported for the 1999 Chrysler Sebring. The most recently reported issues are listed below.
While driving 60-70 mph the vehicle suddenly shifted to second gear, rpms went to red, and vehicle slowed down to 25-30 mph. Dealer replaced O2 sensor. This happened 2 more times, at this time vehicle is being repaired at dealership. Mechanic found metal flakes in transmission fluid, transmisson needed to be replaced.