Component Inspection

1. Turn ignition switch OFF.
2. Remove fuel filler cap.
3. Wipe clean valve housing.
   Fig 1: Sectional View Of Fuel Filler Cap

   Courtesy 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

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: INSPECTION END

NO: Go to 2.

Replace fuel filler cap.

INSPECTION END