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Home >> Infiniti >> 2019 >> Q50 Pure, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (DTCS) (6 Of 19)) >> DTC Diagnosis >> Engine (ECM) >> DTC P0191: FRP Sensor >> DTC Description - VR30DDTT Engine >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0191

FRP SENSOR A

(Fuel rail pressure sensor "A" circuit range/performance)

Fuel rail pressure remains at more than 14.5 MPa (147.9 kg/cm 2 , 21025 psi) for 0.2 seconds or more during ignition ON.