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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2277 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) - DTC P0001 - P0209) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0087 - Fuel Rail/System Pressure - Too Low (Bank 1)

P0087 - Fuel Rail/System Pressure - Too Low (Bank 1)

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P0087 - FUEL RAIL/SYSTEM PRESSURE - TOO LOW (BANK 1)

For Mustang, 5.2L 
Description:  This DTC sets when the fuel rail pressure requested by the PCM is greater than the fuel rail pressure delivered, by more than a calibrated threshold for greater than a calibrated length of time.
Possible Causes: 
  • Low fuel pressure
  • Low or no fuel
  • FRP circuit concerns
  • Damaged FRP sensor
Diagnostic Aids: 
For All Others 
Description:  The PCM regulates the fuel rail pressure by controlling the fuel volume regulator. This DTC sets when the PCM is no longer capable of maintaining the fuel pressure within the calibrated parameters.
Possible Causes: 
  • Fuel filter plugged or dirty
  • Fuel supply line restricted
  • Damaged fuel pump module
  • Damaged fuel injection pump
Diagnostic Aids:  Diagnose any FRP and FVR circuit DTCs first.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Mustang 5.2L GO to Pinpoint Test DD .
All others GO to Pinpoint Test HP .