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
Se detectó una fuga menor en el sistema de control de emisiones evaporativas.
View on another brand:
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

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.
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
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Apretar o reemplazar la tapa de combustible.
- 2Inspeccionar mangueras del sistema EVAP.
- 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)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
Dig Deeper
Videos, images and service manuals
Have Another Code?
Look it up directly: