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4 CHECK WATER SEPARATOR 1. Check visually for insect nests in the water separator air inlet. PBIB1032E 5. In case of NG in items 2 - 4, replace the parts. I Do not disassemble water separator. OK or NG OK © GO TO 5. NG © Replace water separator. 5 DETECT MALFUNCTIONING PART Check the EVAP hose between EVAP canister and water separator for clogging or poor connection. © Repair or replace EVAP hose. 6 CHECK VENT HOSES AND VENT TUBES Check hoses and tubes between EVAP canister and refueling control valve for clogging, kink, looseness and improper OK or NG OK © GO TO 7. NG © Repair or replace hoses and tubes. 7 CHECK FILLER NECK TUBE Check signal line and recirculation line for clogging, dents and cracks. OK or NG OK © GO TO 8. NG © Replace filler neck tube. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION On Board Refueling Vapor Recovery (ORVR) (Cont’d) EC-49 |