Subaru P1131: Front Oxygen Sensor Circuit Malfunction (short circuit)
Is your scanner showing Subaru P1131?
No worries. We'll show you what it means and how to deal with it.
Subaru P1131: Front Oxygen Sensor Circuit Malfunction (short circuit)
OVERVIEWWhat Does The Subaru P1131 Code Mean?
Engine started, engine runtime over 3 minutes, and the PCM detected an unexpected “high” voltage condition on the front A/F Sensor (A/FS) signal circuit for 10 seconds during the CCM test.
How Can You Fix The Subaru P1131 Code?
- Check harness between ECM and sensor connector
- Check output signal for ECM
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Front Oxygen (A/F) Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Subaru Impreza Repair Manual for P1131 – Pages 596-597.
