NHTSA Complaint #11705662 — 2019 HYUNDAI SONATA

The contact owns a 2019 Hyundai Sonata. The contact stated that the vehicle was experiencing excessive oil consumption. The vehicle was taken for an oil change, and the contact was informed that the vehicle required an oil change every 10 days. Additionally, the contact stated that the vehicle was taken to the dealer after driving 1,000 miles after an oil change, and the dealer informed the contact that a combustion cleaning was needed. The dealer performed the combustion cleaning, but the failure persisted. The check engine warning light was illuminated. The contact stated that an independent mechanic and the dealer had diagnosed the vehicle and had determined that the catalytic converter needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and declined to cover the cost of the repair. The failure mileage was unknown.