Subaru Liberty P0131: O2 Sensor Low Voltage (Bank 1 -Sensor 1)
P0131 is a common OBDII code that occurs in many vehicles, including the Subaru Liberty. It is letting you know that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad. There are also some less likely problems that can cause P0131. We’ll go over those below. … Read more