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P0430Defective Catalytic Converter, Internal engine damage resulting in high oil consumption and or a leaking Head Gasket has damaged the Catalytic Converter

⚙️ Powertrain (Motor y Transmisión)🏭 Specific to Audi
Moderada

El catalizador del banco 2 no limpia correctamente los gases de escape.

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Can I keep driving? With caution

You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.

Sistema Afectado

Sistema de Escape · Catalizador y sensores O₂

Vehículo despiece — Sistema de Escape

La falla se localiza en la línea de escape: catalizador, sondas lambda (O₂) o sistema EGR.

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Aún no hay un anunciante en este espacio.

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Symptoms You Will Notice

What you may observe when this code appears

  • Olor a azufre
  • Emisiones altas
  • Fallo prueba de emisiones

Possible Causes

The components or conditions that trigger this code

  • 1Catalizador banco 2 deteriorado
  • 2Sensor O2 defectuoso
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How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 11. Reemplazar catalizador banco 2.

Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.

Estimated Cost

Approximate range in USD (varies by region and shop)

$300$2,000

Catalytic converter + diagnosis

* Diagnosis only: $50–$150

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