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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Components/Circuit Diagnosis >> Low Pressure Fuel Pump >> Component Function Check

Component Function Check

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  1. CHECK LOW PRESSURE FUEL PUMP FUNCTION 
    1. Turn ignition switch ON.
    2. Pinch fuel feed hose SYMBOL with two fingers.
      GNSILL0290701-701Courtesy of NISSAN NORTH AMERICA, INC.

      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 .

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