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Home >> Nissan-Datsun >> 2011 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0448 >> DTC P0442: 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. Refer to "EXPLODED VIEW ".
    3. Wipe clean valve housing.
      Fig 1: Identifying Plate, Gasket, Spring, Pressure Valve And Vacuum Valve
      G04874784Courtesy of NISSAN MOTOR CO., U.S.A.
    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) 

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

      Fig 2: Checking Valve Opening Pressure And Vacuum
      G04874785Courtesy of NISSAN MOTOR CO., U.S.A.
  2. REPLACE FUEL FILLER CAP

    Replace fuel filler cap. Refer to "EXPLODED VIEW ".

    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