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Home >> Infiniti >> 2001 >> Q45 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Emission Systems & Sub-Systems >> On Board Refueling Vapor Recovery (ORVR) System >> Cannot Refuel/Fuel Odor From Fuel Filler While Refueling (Q45)
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Cannot Refuel/Fuel Odor From Fuel Filler While Refueling (Q45)

CAUTION: DO NOT disassemble water separator.
  1. Remove water separator. See Figure. With water separator port "A" plugged, blow air into port "B". See Figure. Air should flow out of port "C". With port "C" plugged, blow air into port "B". Air should flow out of port "A". If operation is as specified, go to next step. If operation is not as specified, replace water separator.
  2. Remove EVAP canister with EVAP Canister Vent Control Valve (EVAP-CVCV) attached. See Figure. Weigh EVAP canister with EVAP-CVCV attached. If weight is more than 4.0 lbs. (1.8 kg), replace EVAP canister. If weight is less than 4.0 lbs. (1.8 kg), invert EVAP canister. If water drains from EVAP canister, replace EVAP canister. If water does not drain from EVAP canister, go to next step.
  3. Check hoses between EVAP canister and refueling control valve for blockage, leak or improper connection. See Figure and Figure . Also check signal line and recirculation line for blockage or leak. Repair as necessary. If no problems are found, go to next step.
  4. Check refueling control valve. See REFUELING CONTROL VALVE . If refueling control valve is okay, test is complete. If refueling control valve is not okay, replace fuel tank.
  5. Check refueling EVAP vapor cut valve. See REFUELING EVAP VAPOR CUT VALVE . If refueling EVAP vapor cut valve is okay, go to next step. If refueling EVAP vapor cut valve is not okay, replace fuel tank.
  6. Check fuel filler tube and hose for blockage or leak. Replace fuel filler tube, if necessary. If fuel filler tube is okay, go to next step.
  7. Check one-way fuel valve for blockage. Repair as necessary. If no blockage exists, ensue fuel tank is empty. Remove fuel filler tube and hose. Push one-way fuel valve with finger. One-way fuel valve should open. Remove finger. One-way fuel valve should close. If operation is as specified, test is complete. If operation is not as specified, replace fuel tank.
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