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Home >> Infiniti >> 2020 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (5 Of 6) >> Component Parts/Circuit Diagnosis >> High Pressure Fuel Pump >> Component Inspection >> VR30DDTT engine

VR30DDTT engine

  1. CHECK HIGH PRESSURE FUEL PUMP 
    1. Turn ignition switch OFF.
    2. Disconnect high pressure fuel pump harness connector.
    3. Check the resistance between high pressure fuel pump terminals.

      +

      -

      Condition

      Resistance

      High pressure fuel pump

      Terminal

      1

      2

      Temperature deg. C (deg. F)

      20 - 30 (68 - 86)

      0.47 - 0.53 Ohm

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace high pressure fuel pump. Refer to HIGH PRESSURE FUEL PUMP AND FUEL HOSE : Removal & Installation .