Pneumatic Regulator problems of the 2015 Ford F-250

The contact owns a 2015 Ford F-250. The contact stated while driving 55 mph, the vehicle went into "reduced engine power” mode and decelerated to 20 mph. The contact pulled over to the side of the road. The vehicle was towed to a certified mechanic who diagnosed that the fuel system had failed. The fuel pressure regulator was replaced however, the vehicle remained in "reduced engine power" mode. The vehicle was taken to the dealer who diagnosed that the fuel pressure regulator failed again and needed to be replaced. The contact informed the dealer that the fuel pressure regulator had been previously replaced. The dealer re-inspected the vehicle and informed the contact that the fuel tank was rusted, and the fuel pump, injector pump, and fuel system needed to be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline. The approximate failure mileage was 101,000.