MasterTuning Fault code dictionary (DTC)

P0446 — Evaporative Emission System Vent Control Circuit

Severity: Informational Can you drive? Sì, no known limitation Produttore: Tutti makes (OBD-II standard)
MeaningThe Motore computer has detected a Problema in the electrical circuit that controls the vent valve for the fuel vapor recovery system. This system is designed a capture fuel vapors Da the tank and prevent them from escaping into the atmosphere, routing them Indietro into the engine to be burned.
FamilyPowertrain (P)

Typical symptoms

Check Motore light is illuminated on the Pannello di Controllo
Difficulty when trying a refuel the Macchina alle the gas station pump

Common causes

Faulty vapor canister vent valve oppure solenoid
Corroded, damaged, oppure loose electrical wiring and connectors alle the vent valve
Blocked oppure pinched vent hose preventing proper airflow

What a do

You should have a mechanic inspect the wiring and the vent valve itself underneath the rear di the Veicolo. While the Macchina will still drive, it is best a check it soon, especially if you notice problems during refueling.

Domande Frequenti

What does code P0446 mean?

Evaporative Emission System Vent Control Circuit. The Motore computer has detected a Problema in the electrical circuit that controls the vent valve for the fuel vapor recovery system. This system is designed a capture fuel vapors Da the tank and prevent them from escaping into the atmosphere, routing them Indietro into the engine to be burned.

Can I keep driving with code P0446 Attivo?

Sì, no known limitation

Common causes — P0446

Faulty vapor canister vent valve oppure solenoid Corroded, damaged, or loose electrical wiring and connectors alle the vent valve Blocked or pinched vent hose preventing proper airflow

How do you fix code P0446?

You should have a mechanic inspect the wiring and the vent valve itself underneath the rear di the Veicolo. While the Macchina will still drive, it is best a check it soon, especially if you notice problems during refueling.

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