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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 7) >> Engine (ECM) >> DTC P0088: FRP Control System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0088

HIGH FUEL PRES

(High fuel pressure too high)

A

Diagnosis condition

  • Engine running at idle
  • Engine coolant temperature: -12 deg.C (10.4 deg.F) to 40 deg.C (104 deg.F)

Signal (terminal)

Fuel rail pressure sensor signal

Threshold

Fuel rail pressure remains at more than 16.5 MPa (168.3 kg/cm 2 , 2392.5 psi)

Diagnosis delay time

1 second or more

B

Diagnosis condition

Engine running (regardless of water temperature)

Signal (terminal)

Fuel rail pressure sensor signal

Threshold

Actual fuel pressure - Target fuel pressure = 2.7 MPa (27.5 kg/cm 2 , 392 psi) or more

Diagnosis delay time

5 seconds or more