NHTSA Complaint #11600113 — 2011 FORD F-150

The contact owns a 2011 Ford F-150. The contact stated while driving at various speeds, the transmission unintendedly downshifted to first gear with the transmission warning light illuminated. In addition, the vehicle hesitated while depressing the accelerator pedal soon after restarting the engine. The contact stated that the RPM's revved to 3,000 or 4,000 RPM while driving at slow speeds. The vehicle was taken to a dealer and remained in the dealer possession for over a month. The dealer later diagnosed the vehicle with a defective timing chain. The timing chain was replaced; however, the failure persisted. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The vehicle was not repaired. The failure mileage was approximately 155,000.