P0132Medium urgency
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
Emission · Oxygen Sensors
⚠️ Safe to drive — fuel economy affected.
What this means
The upstream O2 sensor is reading consistently high voltage, indicating a rich mixture or a sensor stuck in rich reading. Can cause poor fuel economy and catalytic converter damage over time.
Likely causes
- Failed upstream O2 sensorMost common
- Rich fuel condition (check P0172)Common
- Coolant or oil contaminating sensorLess common
Estimated repair cost
O2 sensor replacement$150 – $350
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Frequently asked questions about P0132
What does P0132 mean?
The upstream O2 sensor is reading consistently high voltage, indicating a rich mixture or a sensor stuck in rich reading. Can cause poor fuel economy and catalytic converter damage over time.
Is P0132 serious?
Safe to drive — fuel economy affected.
How much does it cost to fix P0132?
Repair costs for P0132 range from $150 – $350 depending on the root cause and your vehicle.
Can I drive with P0132?
You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.