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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> Engine (ECM) >> DTC P00FE: EVAP Control System >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. CHECK EVAP CONTROL SYSTEM FOR CLOGGING 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Disconnect EVAP purge hose SYMBOL from EVAP canister purge volume control valve.
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    3. Disconnect fuel tank vent hose SYMBOL from EVAP canister.
    4. Turn ignition switch ON (engine stopped).
    5. On CONSULT screen, select "ENGINE" >> "Work support" >> "EVAP SYSTEM CLOSE".
    6. Apply positive pressure (not vacuum) to the hose end SYMBOL using Vacuum/Pressure Hand Pump according to CONSULT screen instructions.
    7. Check that the applied pressure does not increase and that pressure is not held.

    Is the inspection result normal?

    YES

    Check fuel tank vent line for clogs, vent and installation condition.

    NO

    Replace EVAP canister. Refer to EVAP CANISTER : Removal & Installation .