The contact owns a 2018 Chrysler Pacifica. The contact stated while driving 75 MPH, the vehicle lost motive power. There was no warning light illuminated. The vehicle was able to restart. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that there was a misfire in cylinder #3. The vehicle was repaired; however, the failure recurred. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 105,769.