P0145
Systeem
Powertrain (Emissions)
Scanner vereist
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

Understand P0145, common causes, and the right FOXWELL scanner to diagnose it.

Bank 1 sensor 3 responding too slowly — aging sensor or exhaust leak.

Veelvoorkomende symptomen

  • Check engine light
  • Poor fuel trim

Typische oorzaken

  • Aging O2 sensor
  • Exhaust leak
  • Contaminated sensor tip
  • Heater not reaching operating temp

Welke scanner heb je nodig?

Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen FOXWELL scanners

Veelgestelde vragen

Can I diagnose P0145 with a basic code reader?
P0145 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 P0145?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.