The contact owns a 2018 Ford F-150. The contact stated while driving at an undisclosed speed, there was a misfire coming from the engine and several unknown warning lights were illuminated. The vehicle was taken to an independent mechanic where it was unofficially diagnosed with failed catalytic convertor sensors, which provided false failure codes. The vehicle was taken to the dealer where it was diagnosed with catalytic convertor failure. The contact was informed that the catalytic convertor needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 113,000.