LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P228F: Fuel Pressure Regulator 1 Exceeded Learning Limits: Too High

DTC P228F: Fuel Pressure Regulator 1 Exceeded Learning Limits: Too High

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P228F: FUEL PRESSURE REGULATOR 1 EXCEEDED LEARNING LIMITS: TOO HIGH

Description:  This DTC sets when the fuel rail pressure is 20% greater than the calculated threshold.
Possible Causes: 
  • Biased fuel rail pressure (FRP) sensor
  • Engine mechanical concern
  • Fuel pressure control valve sticking
Diagnostic Aids:  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 .