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engine code p252f

  1. 6.4 Motor Problems
    My 2008 F550 with 109k total miles has a replacement motor, turbos, and injectors all installed by Ford. It only has 5K miles on it but has went into reduced power mode 5 times since September 2013. It runs perfectly 99%of the time but keeps going into limp mode and showing code P252F, engine...