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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2050 (Engine Controls - Diagnostic Subroutines - 6.4L 99R Diesel -- F250-F550 Super Duty) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P127A - Aborted KOER - Fuel Pressure Failure

P127A - Aborted KOER - Fuel Pressure Failure

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P127A - ABORTED KOER - FUEL PRESSURE FAILURE

Description:  The DTC indicates that the key on, engine running (KOER) self-test aborted because of the fuel rail pressure (FRP) out of self-test range.
Possible Causes: 
  • Low fuel pressure
  • Fuel injectors internal leakage
Diagnostic Aids:   
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST M .