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Home >> Nissan-Datsun >> 2017 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0087: FRP Control System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE:

DTC P0087 may be displayed when running out of gas or air accumulation.

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0087 LOW FUEL PRES
(Fuel rail/system pressure - too low)
A Diagnosis condition
  • Engine running
  • Engine coolant temperature: - 12°C (10.4°F) to 40°C (104°F)
Signal (terminal) Fuel rail pressure sensor signal
Threshold Fuel rail pressure does not reach 4.0 MPa (40.8 kg/cm2 , 580 psi)
Diagnosis delay time -
B Diagnosis condition
  • Engine running at idle
  • Engine coolant temperature: - 12°C (10.4°F) to 40°C (104°F)
Signal (terminal) Fuel rail pressure sensor signal
Threshold Fuel rail pressure remains at 7.5 MPa (76.5 kg/cm2 , 1087.5 psi) or less
Diagnosis delay time 1 second or more
C Diagnosis condition Engine running (regardless of water temperature)
Signal (terminal) Fuel rail pressure sensor signal
Threshold Target fuel pressure - Actual fuel pressure = 2.7 MPa (27.5 kg/cm2 , 392 psi) or less
Diagnosis delay time 5 seconds or more