Catalytic Convertor problems of the 2014 Kia Motor Forte

The contact owns a 2014 kia Forte. The contact stated that while operating the vehicle there was an exhaust odor present inside the cabin of the vehicle. The contact stated that the vehicle would lose power and did not properly accelerate. The vehicle was taken to an independent mechanic who replaced the catalytic convertor however, six months later the failure reoccurred. The vehicle was taken to the local dealer who diagnosed that the catalytic convertor was faulty and needed to be replaced. After replacing the catalytic convertor for the second time the failure recurred approximately six months later. The vehicle was not yet repaired. The manufacturer was not yet notified of the failure. The failure mileage was 120,506.