2020 Ford F-450 Engine Problems

“Sudden acceleration while braking. While towing a gooseneck trailer aprox. 25,000 lbs, with the truck in tow/haul mode and the exhaust/engine brake turned on, started down a long winding 8% grade, could feel the engine brake working as normal, holding the truck from gaining speed, as the truck entered the second turn, the truck lunged forward gaining a lot of speed causing me to quickly stab the brakes, the truck continued this type of on/off cycle with quickly acclerating while standing on the brakes to try and control it until I leaned over and swithched the engine brake off, making it…”

“The contact owns a 2020 Ford F-450. The contact stated while driving 70 MPH, the vehicle vibrated and the vehicle briefly lost motive power. The vehicle returned to normal functionality once the accelerator pedal was depressed. The vehicle was taken to the dealer, who diagnosed a failure with the power train control module (PCM). The vehicle was repaired, but the failure reoccurred. The vehicle was taken to another dealer, who diagnosed that cylinder #4 had failed, and there was a misfire in cylinders #3 and #5. The vehicle was not repaired due to the cost. …”