One problem related to emission control 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.
Consumer stated that she was having too many problems with her vehicle and does not want it anymore. The engine light kept coming on and she took the vehicle to the dealer, who stated the fuel injection system was going bad. The vehicle had only 300 miles on it at the time. Then after that was repaired. She drove it a while and the engine light started to come on again. This time when she took it in to the dealer, she was told the O2 sensor was bad. This also was repaired.