One problem related to diesel engine has been reported for the 2014 Ford F-250. The most recently reported issues are listed below.
Letter from senator burr on behalf of constituent re 2014 Ford f250 fuel system. The consumer stated he dropped the vehicle off at the dealer on January 26, 2015, with a low engine light, water in the fuel separator and a leaking radiator. When the consumer picked the vehicle up on February 3, 2015, the dealer stated the replaced the radiator. While driving on February 7, 2015, the vehicle went into reduced power mode and the reduced power light illuminated. The vehicle was towed to the dealer. An inspection revealed the entire fuel system needed to be replaced. According to the dealer, water in the fuel sensor was unplugged. The consumer stated that would explain why the fuel separator light was on, when he picked up the vehicle.