P0131 O2 sensor (Bank 1 Sensor 1) – low voltage
Symptoms of P0131 error code Generic
In general, there are no visible symptoms for code P0131, with the exception of the following:
- The Check Engine Service light is on.
- May have high fuel consumption.
- Excessive exhaust smoke.
Reasons for entering the OBD2 code P0131 Generic
One of the main reasons for this DTC P0131 is that the oxygen sensor (LAMBDA O2) is damaged.
- The oxygen sensor (O2 LAMBDA) circuit may be shorted.
- The circuit may be open to an oxygen sensor (O2) signal.
DTC Description P0131 Generic
Diagnostic code P0131 OBDII tells us that the voltage remained low for more than 2 minutes. PCM (Power Control Module) interprets this voltage as a low voltage state and activates the Check Engine control on the clocks there
Note: This sensor (02 Lambda oxygen sensor) is located near the catalyst.