P0132Severity: Medium
P0132 – Oxygen Sensor High Voltage (Bank 1 Sensor 1)
The upstream O2 sensor shows persistently high voltage (rich).
What it means
The pre-catalyst oxygen sensor outputs high voltage indicating a rich mixture. A genuinely rich mixture, wiring short or sensor fault can be responsible.
Symptoms
- High fuel use
- Fuel smell from exhaust
- Check-engine light
Common causes
- Rich mixture (injector/pressure)
- Wiring short
- Faulty O2 sensor
- Sensor contamination
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Frequently asked questions
What does trouble code P0132 mean?
P0132 – Oxygen Sensor High Voltage (Bank 1 Sensor 1). The pre-catalyst oxygen sensor outputs high voltage indicating a rich mixture. A genuinely rich mixture, wiring short or sensor fault can be responsible.
Can I drive with a P0132 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.