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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P228E - Fuel Pressure Regulator 1 Exceeded Learning Limits - Too Low

P228E - Fuel Pressure Regulator 1 Exceeded Learning Limits - Too Low

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P228E - FUEL PRESSURE REGULATOR 1 EXCEEDED LEARNING LIMITS - TOO LOW

Description:  The powertrain control module (PCM) continuously monitors the fuel rail pressure sensor for concerns. If the PCM detects that the fuel rail pressure is 20% less than the calculated threshold, the DTC sets.
Possible Causes: 
  • Biased fuel rail pressure (FRP) sensor
  • Engine mechanical concern
  • Fuel pressure control valve sticking
Diagnostic Aids:  The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power.
The FRP sensor and fuel pressure control valve values can be monitored by accessing the FRP_A PID and the F_PCV PID.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST M .