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DTC P0441 EVAP CONTROL SYSTEM EC-391 C D E F G H I J K L M A EC DTC P0441 EVAP CONTROL SYSTEM PFP:14950 System Description NBS001WT NOTE: In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions. On Board Diagnosis Logic NBS001WU Under normal conditions (non-closed throttle), sensor output voltage indicates if pressure drop and purge flow DTC Confirmation Procedure NBS001WV CAUTION: Always drive vehicle at a safe speed. NOTE: ° C (41 ° F). SEF323U DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0441 EVAP control system EVAP control system does not operate ● EVAP canister purge volume control solenoid ● EVAP control system pressure sensor and ● Loose, disconnected or improper connection ● Blocked rubber tube ● Cracked EVAP canister ● EVAP canister purge volume control solenoid ● Accelerator pedal position sensor ● Blocked purge port ● EVAP canister vent control valve |