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Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 Through P0456 >> DTC P0455: EVAP Control System >> Component Inspection
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Component Inspection

  1. CHECK FUEL FILLER CAP 
    1. Turn ignition switch OFF.
    2. Remove fuel filler cap.
    3. Wipe clean valve housing.
      Fig 1: Sectional View Of Fuel Filler Cap
      G09001481Courtesy of NISSAN NORTH AMERICA, INC.
    4. Install fuel filler cap adapter (commercial service tool) to fuel filler cap.
    5. Check valve opening pressure and vacuum.

      Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm 2  , 2.22 - 2.90 psi) 

      Vacuum: -6.0 to -3.3 kPa (-0.061 to -0.034 kg/cm 2  , -0.87 to -0.48 psi) 

      Fig 2: Checking Valve Opening Pressure And Vacuum Using Vacuum/Pressure Pump
      G09001482Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. REPLACE FUEL FILLER CAP 

    Replace fuel filler cap.

    CAUTION: Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate.

    : INSPECTION END