P04B7Fuel Fill Door Position Sensor Circuit Intermittent or Erratic
The position sensor or switch on the fuel fill door reports an intermittent signal - opens and closes randomly without matching the actual door position. Typically a connector or chafed harness fault.
Can I keep driving? Yes
You can keep driving normally. Schedule a check soon so emissions and performance are not affected.
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.
Possible Causes
The components or conditions that trigger this code
- 1Intermittent contact at connector Connector with intermittent contact under vibration Harness routed against vibrating component
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: easy. Estimated time: 0.4-1.2 hours. Estimated cost: €60-€
- 2DIY possible
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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