The contact owns a 2024 Ford F 350 SD. The contact stated while driving at various speeds, there was an abnormal burning odor coming from the vehicle. No warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed with a faulty coolant temperature sensor. The vehicle was not repaired. The vehicle was taken to a second dealer; Power Ford (1101 Montaño Rd NE, Albuquerque, NM 87107); however, no cause for the failure was found. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 110,000.