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: 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