Component Inspection

CHECK FUEL TANK VACUUM RELIEF VALVE
1. Turn ignition switch OFF.
2. Remove fuel filler cap.
3. Wipe clean valve housing.
  
  Fig 1: Cut 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
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