P0132
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
System: Emissions
Severity: medium
What does P0132 mean?
The DTC P0132 (O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)) is a fault code stored by the ECU when it detects a O2 B1S1 high condition in the emissions subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0132
- Rich condition (leaky injector)
- Failed O2 sensor
- Short to power
- Engine running too rich
How to fix P0132
Check injectors with balance test. Verify fuel pressure not over spec.
Tuning approach with DaVinci Deluxe · Cloud Edition
For P0132, DaVinci Deluxe · Cloud Edition offers the following ECU map adjustments and software solutions:
- Injector flow re-scale
- Lambda target tune
- Rich limit cap
Need to fix P0132 on your ECU?
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