The contact owns a 2019 Ford Fusion. The contact stated while driving approximately 30-35 MPH, the check engine warning light illuminated. The contact stated that the failure recurred while driving. Additionally, the vehicle lunged forward but failed to respond upon depressing the accelerator pedal. The contact was able to pull to the side of the road. The vehicle was towed to the local Pep Boys, where the ignition coils #3 and #4 were replaced; however, the failure persisted. The vehicle was taken to an independent mechanic, where ignition coil #4 was replaced; however, the failure persisted. The independent mechanic replaced spark plugs #1, #2 and #3. The number four spark plug was stuck and was not removed. The vehicle was taken to the dealer, where it was diagnosed and determined that the cylinder head needed to be replaced. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 67,000

- Dana Point, CA, USA