The front oxygen sensor on bank 1 is reading a consistently low voltage.
Informational only. Consult a qualified mechanic.
Check for vacuum and exhaust leaks, then replace O2 sensor.
The P0131 OBD-II diagnostic trouble code (DTC) indicates: o2 sensor low voltage b1s1. This is a medium-severity powertrain code that your vehicle's onboard diagnostics system triggers when the front oxygen sensor on bank 1 is reading a consistently low voltage. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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