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Fuel Evaporation System

NOTE: Fuel EVAP system may also referred to as On-Board Refilling Vapor Recovery (ORVR) system.
NOTE: On GS300, see DTC P0440: EVAP SYSTEM MALFUNCTION , DTC P0441: INCORRECT EVAP PURGE FLOW and DTC P0450 OR DTC P0451 in SELF-DIAGNOSIS - GS300 article. On GS430, see DTC P0440 & DTC P0442 , DTC P0441 OR DTC P0446 and DTC P0450 OR DTC P0451 in SELF-DIAGNOSIS - GS430 article. On IS300, see DTC P0440: EVAP SYSTEM MALFUNCTION , DTC P0441 OR DTC P0446 and DTC P0450 OR DTC P0451 in SELF-DIAGNOSIS - IS300 article. On LS430, see DTC P0440: EVAP SYSTEM MALFUNCTION & DTC P0430: CATALYST SYSTEM BELOW THRESHOLD , DTC P0441 OR DTC P0446 and DTC P0450 OR DTC P0451 in SELF-DIAGNOSIS - LS430 article. On SC430, see DTC P0440: EVAP SYSTEM MALFUNCTION , DTC P0441 OR DTC P0446 and DTC P0450 OR DTC P0451 in SELF-DIAGNOSIS - SC430 article.