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Code

P0446

Evaporative emissions

Défaut circuit vanne d’aération EVAP

Le circuit de la vanne d’aération EVAP a un défaut.

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Most likely causes

Vanne d’aération défectueuse
Câblage

Symptoms you may notice

Check engine light

Checks to run

Test vent valve operation
Check wiring

Tools you may need

Multimeter OBD-II scanner

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Evaporative emissions

Petite fuite dans le système EVAP

Grande fuite dans le système EVAP

Très petite fuite EVAP

Capteur pression EVAP — signal haut

Flux de purge EVAP hors fonction

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