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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (5 Of 5) >> On Board Refueling Vapor Recovery (ORVR) Circuit Check >> Diagnosis Procedure >> Symptom: Cannot Refuel/Fuel Odor From The Fuel Filler Opening Is Strong While Refueling
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Symptom: Cannot Refuel/Fuel Odor From The Fuel Filler Opening Is Strong While Refueling

DIAGNOSIS PROCEDURE

Step Action YES NO
Step Action YES NO
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 2.0 kg (4.4 lb).


OK or NG 
GO TO 2. GO TO 3.
CHECK IF EVAP CANISTER IS SATURATED WITH WATER 
Does water drain from the EVAP canister?
Yes or No 
GO TO 3. GO TO 6.
REPLACE EVAP CANISTER 
Replace EVAP canister with a new one.
GO TO 4.  
CHECK DRAIN FILTER 
Refer to [ON BOARD REFUELING VAPOR RECOVERY (ORVR) CIRCUIT CHECK ].
OK or NG 
GO TO 5. Replace drain filter.
DETECT MALFUNCTIONING PART 
Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection.
Repair or replace EVAP hose.  
CHECK VENT HOSES AND VENT TUBES 
Check hoses and tubes between EVAP canister and refueling control valve for clogging, kinks, looseness and improper connection.
OK or NG 
GO TO 7. Repair or replace hoses and tubes.
CHECK FILLER NECK TUBE 
Check recirculation line for clogging, dents and cracks.
OK or NG 
GO TO 8. Replace filler neck tube.
CHECK REFUELING EVAP VAPOR CUT VALVE 
Refer to [ON BOARD REFUELING VAPOR RECOVERY (ORVR) CIRCUIT CHECK ].
OK or NG 
GO TO 9. Replace refueling EVAP vapor cut valve with fuel tank.
CHECK FUEL FILLER TUBE 
Check filler neck tube and hose connected to the fuel tank for clogging, dents and cracks.
OK or NG 
GO TO 10. Replace fuel filler tube.
10  CHECK ONE-WAY FUEL VALVE-I 
Check one-way valve for clogging.
OK or NG 
GO TO 11. Repair or replace one-way fuel valve with fuel tank.
11  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.
G06441696Courtesy of SUZUKI OF AMERICA CORP.

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 
INSPECTION END  Replace fuel filler tube or replace one-way fuel valve with fuel tank.