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Code

P0172

Fuel / Air

الخليط غني جداً — الصف 1

المحرك يعمل بوقود زائد أو هواء أقل.

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Most likely causes

حساس MAF تالف
فلتر هواء مسدود
حساس أكسجين تالف
حاقن يسرّب

Symptoms you may notice

Check engine light
Fuel smell
Poor fuel economy
Black exhaust smoke

Checks to run

Check MAF readings against spec
Test fuel pressure
Inspect injectors for leaks
Look for stored rich-running causes

Tools you may need

OBD-II scanner Fuel pressure gauge Multimeter

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

Related codes in Fuel / Air

الخليط فقير جداً — الصف 1

الحساس — إشارة فقيرة في الحلقة المغلقة

الخليط فقير جداً — الصف 2

الخليط غني جداً — الصف 2

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