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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 Through P0456 >> DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0443 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.)