NHTSA Complaint #11543289 — 2018 FORD EXPEDITION

The contact owns a 2018 Ford Expedition. The contact stated while driving 75 MPH, the vehicle started sputtering and unintendedly decelerated to 20 MPH. The contact was able to continue driving; however, the vehicle failed to exceed 20 MPH. The vehicle was taken to the dealer, where the fuel pump was replaced; however, the failure persisted. The vehicle was taken back to the dealer, where the fuel pump and the Variable Valve Timing (VVT) Solenoid were replaced; however, the failure recurred increasingly, and the vehicle lost motive power on several occasions. The contact veered to the side of the road and restarted the vehicle after several attempts and continued driving. The vehicle was taken to the dealer, where the fuel pump and the fuel pressure rail were replaced; however, the check engine warning light became illuminated. The contact's husband replaced the O2 sensors, the catalytic converter, and the fuel pump stand; however, the failure persisted. The contact stated that the vehicle shuddered while idling in the parking lot and then lost power. The contact was able to restart the vehicle after several attempts; however, the failure recurred while driving to the residence. The vehicle was taken to a second dealer, Tri-State Ford (1900 Interstate 40 Access Rd, Amarillo, TX 79103), where it was diagnosed that a relay in the wiring harness box had failed, and the wiring harness box needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 46,000.