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Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0191: FRP Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0191 FRP SENSOR A
(Fuel rail pressure sensor "A" circuit range/performance)
Diagnosis condition Ignition switch ON
Signal (terminal) Fuel rail pressure sensor signal
Threshold Fuel rail pressure remains at more than 14.5 MPa (147.9 kg/cm2 , 21025 psi)
Diagnosis delay time 0.2 seconds or more