August 6, 2024 42 miles CHECK ENG light comes on August 11, 2024 299 miles CHECK ENG light comes on during start Truck shakes violently, RPM rapidly cycles from 400 -?" 800 RPM, all console lights flashing ON/OFF during start. Tried to back out of space, no response, then without further push on accelerator truck slowly rolled backwards. Tried to leave parking lot and pull into traffic lanes. Still violent shaking, flashing lights, and cycling RPM, suddenly RPM went to nearly 4500 RPM without any driver input and truck lurched forward generating a whiplash for the passengers and driver. Now in lane tried to get off of the roadway to nearest exit. Again, no response to slight pressure on accelerator, then without further input went through a rapid series of three times engine without further input increased RPM to nearly 4500 and truck lurched forward again with whiplash to occupants. RPM decreased to cycling at 400 - 800 RPM and truck accelerated to 30 to 35 MPH. We were able to exit the roadway and shutdown the engine. Waited 30 -?" 45 minutes and truck started and idled normally with CHECK ENG light on. August 24, 2024 669 miles CHECK ENG light comes on August 31, 2024 858 miles CHECK ENG light comes

- Flower Mound, TX, USA