P2414
Sistema
Powertrain (Emissions)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1)

Understand P2414, common causes, and the right FOXWELL scanner to diagnose it.

O2 sensor sample error — exhaust composition at sensor not as expected, common on turbo and GDI engines.

Síntomas habituales

  • Check engine light
  • Poor fuel trim

Causas típicas

  • Exhaust leak before O2
  • Failed upstream O2
  • Boost leak affecting exhaust pulse
  • Rich/lean extreme condition

¿Qué escáner necesita?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Use datos en vivo y freeze frame antes de cambiar piezas. Códigos ABS, SRS y U suelen requerir un escáner de todos los sistemas.

Consejos de diagnóstico

  • Registre el freeze frame cuando se active el código
  • Borre el código solo tras corregir la causa
  • Revise códigos pendientes relacionados
  • Verifique que la batería esté por encima de 12,4 V antes de sospechar sensores

Escáneres FOXWELL recomendados

Preguntas frecuentes

Can I diagnose P2414 with a basic code reader?
P2414 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with P2414?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.