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

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DTC DESCRIPTION P0087 - FUEL RAIL/SYSTEM PRESSURE AND 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 restricted 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 .