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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0456: EVAP Control System >> Diagnostic Procedure >> 3. Check Fuel Filler Cap Function
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3. Check Fuel Filler Cap Function

Check for air releasing sound while opening the fuel filler cap.

OK or NG 

  1. OK: GO TO 5. INSTALL THE PRESSURE PUMP .
  2. NG: GO TO 4.
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