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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

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  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.