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Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P006A To P0153 (VK56VD) >> DTC P008B: Low Fuel Pressure Control System >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTION LOGIC CHART

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