LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> G37 IPL, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (2 Of 2) (Coupe) >> 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 (1) with two fingers.

      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: "DIAGNOSIS PROCEDURE ".

      Fig 1: Identifying Pinch Fuel Feed Hose
      G08235800Courtesy of NISSAN NORTH AMERICA, INC.