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DTC P0455 EVAP CONTROL SYSTEM EC-435 C D E F G H I J K L M A EC 2007 Pathfinder DTC P0455 EVAP CONTROL SYSTEM PFP:14950 On Board Diagnosis Logic UBS00KA5 This diagnosis detects a very large leak (fuel filler cap fell off etc.) in EVAP system between the fuel tank and CAUTION: ● Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, ● If the fuel filler cap is not tightened properly, the MIL may come on. ● Use only a genuine NISSAN rubber tube as a replacement. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0455 EVAP control system EVAP control system has a very large leak ● Fuel filler cap remains open or fails to ● Incorrect fuel tank vacuum relief valve ● Incorrect fuel filler cap used ● Foreign matter caught in fuel filler cap. ● Leak is in line between intake manifold ● Foreign matter caught in EVAP canister ● EVAP canister or fuel tank leaks ● EVAP purge line (pipe and rubber tube) ● EVAP purge line rubber tube bent. ● Loose or disconnected rubber tube ● EVAP canister vent control valve and the ● EVAP canister purge volume control ● Fuel tank temperature sensor ● O-ring of EVAP canister vent control ● EVAP control system pressure sensor ● Refueling EVAP vapor cut valve ● ORVR system leaks PBIB1026E |