LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> QX80 Limited >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (2 Of 2) >> Component/Circuit Diagnosis >> Low Pressure Fuel Pump >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

  1. CHECK FUEL PUMP FUNCTION 
    1. Turn ignition switch ON.
    2. Pinch fuel feed hose with two fingers.
      NOTE: Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .

scientia non olet · About LEMON Manuals