P0150Severity: Medium
P0150 – Oxygen Sensor Circuit (Bank 2 Sensor 1)
A fault in the upstream O2 sensor circuit on bank 2.
What it means
On V engines, there's a problem in the pre-catalyst oxygen sensor circuit of the second cylinder bank. Mixture control on that bank is disrupted.
Symptoms
- Increased fuel use
- Rough idle
- Check-engine light
Common causes
- Faulty O2 sensor (bank 2)
- Wiring/connector issue
- Exhaust leak
- Heater circuit issue
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Frequently asked questions
What does trouble code P0150 mean?
P0150 – Oxygen Sensor Circuit (Bank 2 Sensor 1). On V engines, there's a problem in the pre-catalyst oxygen sensor circuit of the second cylinder bank. Mixture control on that bank is disrupted.
Can I drive with a P0150 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.