P0130
O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
System: Emissions
Severity: medium
What does P0130 mean?
The DTC P0130 (O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)) is a fault code stored by the ECU when it detects a O2 B1S1 circuit condition in the emissions subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0130
- Failed front O2 sensor
- Wiring open/short
- Connector corrosion
- Exhaust leak before sensor
How to fix P0130
Live data with scope: signal should oscillate 0.1V-0.9V when warm. Replace if flat.
Tuning approach with DaVinci Deluxe
For P0130, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Lambda regulation tune
- O2 sensor disable (race only)
- Re-scale for wideband swap
Need to fix P0130 on your ECU?
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