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EC-400 < COMPONENT DIAGNOSIS > [QR25DE] ON BOARD REFUELING VAPOR RECOVERY (ORVR) Without CONSULT-III 1. Remove fuel tank. Refer to FL-11, "Removal and Installation" . 2. Drain fuel from the tank as follows: - Remove fuel gauge retainer. - Drain fuel from the tank using a handy pump into a fuel container. 3. Check refueling EVAP vapor cut valve for being stuck to close as follows. Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank. 4. Check refueling EVAP vapor cut valve for being stuck to open as follows. - Connect vacuum pump to hose end. - Remove fuel gauge retainer with fuel gauge unit. Always replace O-ring with new one. - Put fuel tank upside down. - Apply vacuum pressure to hose end [ −13.3 kPa (−0.136 kg/cm 3 , −1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable. Is the inspection result normal? YES >> INSPECTION END NO >> Replace refueling EVAP vapor cut valve with fuel tank. BBIA0248E |