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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 6) >> Engine (ECM) >> DTC P119B: Fuel Rail Pressure Sensor >> DTC Description >> VR30DDTT engine >> DTC Detection Logic

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P119B

FUEL PRESSURE SENSOR

(Fuel pressure sensor)

All of the following conditions are satisfied:

  • Battery voltage: 8 V or more
  • Ignition switch: ON (engine stopped)
  • Engine coolant temperature at previous ignition switch OFF: 65 deg. C (149 deg. F) or more
  • Engine coolant temperature: 35 deg. C (65 deg. F) or less
  • Temperature difference between engine coolant and intake air: Less than 6 deg. C (42 deg. F)
  • Fuel rail pressure: More than 1.5 MPa (15.3 kg/cm 2 , 217 psi) (calculated by ECM)
  • Fuel system monitor: Excessively LEAN