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Home >> Nissan-Datsun >> 2008 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Hybrid)) >> Component Diagnosis >> P0456 EVAP Control System >> Component Inspection
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Component Inspection

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FUEL TANL VACUUM RELIEF VALVE
    1. Turn ignition switch OFF.
    2. Remove fuel filler cap.
    3. Wipe clean valve housing.
      Fig 1: Identifying Pressure Valve, Vacuum Valve, Plate And Gasket
      G04874784Courtesy of NISSAN MOTOR CO., U.S.A.
    4. 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
      G04874785Courtesy of NISSAN MOTOR CO., U.S.A.

    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 come on.

    INSPECTION END