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.
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DTC No.
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CONSULT screen terms
(Trouble diagnosis content)
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DTC detecting condition
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P0191
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FRP SENSOR A
(Fuel rail pressure sensor "A" circuit range/performance)
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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.
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