P0440Missing 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
El sistema de captura de vapores de combustible tiene problemas generales.
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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

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
- Olor leve a gasolina
Possible Causes
The components or conditions that trigger this code
- 1Tapa de combustible suelta
- 2Mangueras rotas
- 3Válvula de purga obstruida
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Apretar o reemplazar tapa de combustible.
- 2Inspeccionar mangueras EVAP.
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
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