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Home >> Infiniti >> 2019 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 13) >> DTC/Circuit Diagnosis >> DTC P0090: High Pressure Fuel Pump >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE: DTC P0090 may be displayed when running out of gas.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0090

FUEL PUMP

(High pressure fuel pump circuit)

  • Fuel rail pressure remains at 1.1 MPa (11.2 kg/ cm 2 , 159.5 psi) or less for 5 seconds or more during engine rev.
  • Fuel rail pressure remains at 27.0 MPa (275.4 kg/ cm 2 , 3915.0 psi) or more for 0.3 seconds or more during engine rev.