LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2014 >> QX80 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P008B: Low Fuel Pressure Control System >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P008B Low fuel pressure too high A condition of low fuel pressure 0.67 MPa (6.7 bar, 6.834 kg/cm2 , 97.15 psi) or more continues for 5 seconds or more after warming up the engine.
  • Harness or connectors

    (The low pressure fuel pump circuit is open or shorted.)

  • Fuel pressure regulator