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DTC P127A - Aborted KOER - Fuel Pressure Failure

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DTC DESCRIPTION P127A - ABORTED KOER AND FUEL PRESSURE FAILURE

Description:  This DTC sets when the key ON, engine running (KOER) self-test aborts because of the fuel rail pressure (FRP) is 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 GO to PINPOINT TEST M .