One problem related to engine exhaust system has been reported for the 2002 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Hyundai Sonata based on all problems reported for the 2002 Sonata.
Check engine light continues to come on. We have been told that Hyundai is having a large problem with O2 sensors, especially in warm climates. Dealer worked on the problem once already, but the problem seems to have returned. The car is currently at the dealership being worked on. The service person said there have been so many problems he is suprised they have not had a recall just for the O2 sensor.