The contact owns a 2017 Ford F-150. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated the vehicle went into LIMP Mode. The contact stated that several unknown warning lights were illuminated. The vehicle was taken to an independent mechanic and was diagnosed with intake manifold runner control failure. In addition, the contact was informed that the intake manifold runner control was stuck in bay 2. The contact was informed that the intake manifold needed to be replaced. The vehicle was repaired. The dealer was made aware of the failure. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 79,000.