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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)		 DTC detecting condition Possible cause
 
P0443		 PURG VOLUME CONT/V
(EVAP canister purge volume control solenoid valve)		 The canister purge flow is detected during the specified driving conditions, even when EVAP canister purge volume control solenoid valve is completely closed.  
  • EVAP control system pressure sensor
  • EVAP canister purge volume control solenoid valve

    (The valve is stuck open.)

  • EVAP canister vent control valve
  • EVAP canister
  • Hoses

    (Hoses are connected incorrectly or clogged.)
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