P2414
Système
Powertrain (Emissions)
Scanner requis
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.

Symptômes courants

  • Check engine light
  • Poor fuel trim

Causes typiques

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

Quel scanner choisir ?

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

Utilisez les données en direct et le freeze frame avant de remplacer des pièces. Les codes ABS, SRS et U nécessitent souvent un scanner mult systèmes.

Conseils de diagnostic

  • Enregistrez le freeze frame lors de la première apparition du code
  • Effacez le code uniquement après avoir corrigé la cause
  • Vérifiez les codes en attente associés
  • Vérifiez que la batterie est au-dessus de 12,4 V avant de suspecter un capteur

Scanners FOXWELL recommandés

Questions fréquentes

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.