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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Fuel Pump Circuit >> Diagnostic Procedure >> 1. Check Overall Function

1. Check Overall Function

  1. Turn ignition switch ON.
  2. Pinch fuel feed hose with two fingers.

    Fuel pressure pulsation should be felt on the fuel feed hose for 5 second after ignition switch is turned ON. 

OK or NG 

OK: INSPECTION END 

NG: GO TO 2.