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P0455Missing fuel cap, Defective or damaged fuel cap, Distorted or damaged Fuel Tank Filler Neck, Torn or punctured Evaporative system hose(s), Defective Fuel Tank Sending Unit gasket or seal, Spl

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

Existe una fuga significativa en el sistema EVAP.

⚠️

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.

Espacio para vendedores de repuestos

Aún no hay un anunciante en este espacio.

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Symptoms You Will Notice

What you may observe when this code appears

  • Luz Check Engine encendida
  • Olor notable a gasolina
  • Posible dificultad para llenar el tanque

Possible Causes

The components or conditions that trigger this code

  • 1Tapa de combustible faltante o muy dañada
  • 2Manguera EVAP desconectada
  • 3Tanque de carbón activado roto
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How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 1Verificar que la tapa esté puesta correctamente.
  2. 2Inspeccionar visualmente todas las mangueras EVAP.
  3. 3Revisar canister de carbón activado.

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)

$100$800

Varies by diagnosis

* Diagnosis only: $50–$150

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