LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 363 (Engine Controls - System & Component Testing) >> On Board Refueling Vapor Recovery (ORVR) >> Diagnostic Procedure >> Symptom: Cannot Refuel/Fuel Odor From The Fuel Filler Opening Is Strong While Refueling.
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom: Cannot Refuel/Fuel Odor From The Fuel Filler Opening Is Strong While Refueling.

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EVAP CANISTER 
    1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.
    2. Weigh the EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.

      The weight should be less than 2.2 kg (4.9 lb).

      OK or NG 

      1. OK : GO TO 2.
      2. NG : GO TO 3.
  2. CHECK IF EVAP CANISTER SATURATED WITH WATER 

    Does water drain from the EVAP canister? See Figure.

    Yes or No 

    1. Yes : GO TO 3.
    2. No : GO TO  5.
  3. REPLACE EVAP CANISTER 

    Replace EVAP canister with a new one.

    1. : GO TO 4.
  4. DETECT MALFUNCTIONING PART 

    Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection.

    1. : Repair or replace EVAP hose.
  5. CHECK VENT HOSES AND VENT TUBES 

    Check hoses and tubes between EVAP canister and refueling control valve for clogging, kink, looseness and improper connection.

    OK or NG 

    1. OK : GO TO 6.
    2. NG : Repair or replace hoses and tubes.
  6. CHECK FILLER NECK TUBE 

    Check recirculation line for clogging, dents and cracks.

    OK or NG 

    1. OK : GO TO 7.
    2. NG : Replace filler neck tube.
  7. CHECK REFUELING EVAP VAPOR CUT VALVE 

    Refer to COMPONENT INSPECTION .

    OK or NG 

    1. OK : GO TO 8.
    2. NG : Replace refueling EVAP vapor cut valve with fuel tank.
  8. CHECK FUEL FILLER TUBE 

    Check filler neck tube and hose connected to the fuel tank for clogging, dents and cracks.

    OK or NG 

    1. OK : GO TO 9.
    2. NG : Replace fuel filler tube.
  9. CHECK ONE-WAY FUEL VALVE-I 

    Check one-way valve for clogging.

    OK or NG 

    1. OK : GO TO 10.
    2. NG : Repair or replace one-way fuel valve with fuel tank.
  10. CHECK ONE-WAY FUEL VALVE-II 
    1. Make sure that fuel is drained from the tank.
    2. Remove fuel filler tube and hose.
    3. Check one-way fuel valve for operation as follows.

      When a stick is inserted, the valve should open, when removing stick it should close.

      Do not drop any material into the tank. 

      OK or NG 

      1. OK : INSPECTION END 
      2. NG : Replace fuel filler tube or replace one-way fuel valve with fuel tank.
      Fig 1: Checking One-Way Fuel Valve-II
      G00343590Courtesy of NISSAN MOTOR CO., U.S.A.
scientia non olet · About LEMON Manuals