P2414
System
Powertrain (Emissions)
Scanner som krävs
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.

Vanliga symptom

  • Check engine light
  • Poor fuel trim

Typiska orsaker

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

Vilken scanner behöver du?

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

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade FOXWELL-scannrar

Vanliga frågor

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.