P0150O2 Sensor Circuit (Bank 2, Sensor 1)
Voici ce que signifie le code défaut P0150, pourquoi il apparaît et que faire à son sujet.
Système: Fuel & air metering
Généralement sans danger sur de courtes distances, mais faites-le contrôler rapidement.
Ce que signifie P0150
The engine computer detected a circuit problem with the upstream oxygen sensor on bank 2 — the front, pre-catalytic-converter sensor on the engine bank that does not contain cylinder 1 (found on V6, V8, and some flat engines). This sensor measures exhaust oxygen so the computer can tune the fuel mixture for that bank. A circuit fault means the signal is missing, out of range, or abnormal.
Symptômes courants
- Check engine light on
- Reduced fuel economy
- Possible rough idle or hesitation
- Failed emissions test
- Often drives close to normal
Causes courantes
Classées de la plus courante à la moins courante.
- 1Failed upstream oxygen sensor on bank 2
- 2Damaged or corroded sensor wiring or connector
- 3Exhaust leak near the sensor
- 4Open or short in the sensor circuit
- 5Contaminated sensor
- 6Engine control module fault (rare)
Que faire
It is generally safe to drive short distances. Have the bank 2 upstream O2 sensor and its wiring inspected; replacing the sensor often resolves it. Note that bank 2 is the side opposite cylinder 1, so confirm which bank before replacing a sensor.
Vous achetez une voiture qui affiche P0150 ?
Un code défaut enregistré peut révéler un problème caché. Décodez le VIN pour voir les détails de la voiture et les rappels de sécurité officiels — gratuitement.
Questions fréquentes
Que signifie le code P0150 ?
The engine computer detected a circuit problem with the upstream oxygen sensor on bank 2 — the front, pre-catalytic-converter sensor on the engine bank that does not contain cylinder 1 (found on V6, V8, and some flat engines). This sensor measures exhaust oxygen so the computer can tune the fuel mixture for that bank. A circuit fault means the signal is missing, out of range, or abnormal.
Quelles sont les causes du code P0150 ?
Les causes les plus courantes sont : Failed upstream oxygen sensor on bank 2, Damaged or corroded sensor wiring or connector, Exhaust leak near the sensor, Open or short in the sensor circuit, Contaminated sensor, Engine control module fault (rare).
Peut-on rouler sans danger avec le code P0150 ?
Généralement sans danger sur de courtes distances, mais faites-le contrôler rapidement.
Comment corriger le code P0150 ?
It is generally safe to drive short distances. Have the bank 2 upstream O2 sensor and its wiring inspected; replacing the sensor often resolves it. Note that bank 2 is the side opposite cylinder 1, so confirm which bank before replacing a sensor.
Ce sont des informations générales pour vous aider à comprendre le code P0150, et non un substitut au diagnostic d’un mécanicien qualifié. Confirmez toujours la cause avant de remplacer des pièces.
Les définitions des codes suivent la liste OBD-II normalisée (SAE J2012). CarVinVin est indépendant et n’est affilié à aucun constructeur.