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Code

P0446

Evaporative emissions

خلل دائرة صمام تهوية EVAP

دائرة صمام تهوية EVAP بها خلل.

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Most likely causes

صمام تالف
سلك تالف

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

تسرب صغير في نظام EVAP

تسرب كبير في نظام EVAP

تسرب صغير جداً في EVAP

إشارة ضغط EVAP مرتفعة

تدفق تطهير EVAP خارج الوظيفة

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