Skip to content

P0442Defective or damaged fuel cap, Distorted or damaged Fuel Tank Filler Neck, Small tear or puncture in the Evaporative system hose(s) and or Carbon Canister, Defective Fuel Tank Sending Unit ga

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

Se detectó una fuga menor en el sistema de control de emisiones evaporativas.

⚠️

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.

WhatsAppLlamar
¿Vendes repuestos? Anúnciate aquí
Advertising Space — Google AdSense

Symptoms You Will Notice

What you may observe when this code appears

  • Luz Check Engine encendida
  • Posible olor leve a gasolina
  • Sin síntomas de manejo

Possible Causes

The components or conditions that trigger this code

  • 1Tapa del tanque floja o dañada
  • 2Mangueras EVAP agrietadas
  • 3Válvula de purga con fuga pequeña
Advertising Space — Google AdSense

How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 1Apretar o reemplazar la tapa de combustible.
  2. 2Inspeccionar mangueras del sistema EVAP.
  3. 3Realizar prueba de humo para encontrar la fuga.

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

Advertising Space — Google AdSense