LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (7 Of 12) >> DTC/Circuit Diagnosis >> DTC P119C: Fuel Rail Pressure Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P119C

00

FUEL PRESSURE SENSOR

(Fuel pressure sensor)

Diagnosis condition

  • Battery voltage: 8 V or more
  • Engine speed: 600 rpm or more
  • Engine coolant temperature: With a background of 65 deg.C (149 deg.F) or more during the trip
  • Remaining fuel amount: 15% or more
  • Fuel cut: No

Signal (terminal)

Fuel rail pressure sensor signal

Threshold

Fuel rail pressure between MAX and MIN differs more than 0.1 7 MPa (1.734 kg/cm 2 , 24.65 psi)

Diagnosis delay time

--