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P0131 OBD-II Trouble Code: O2 Sensor Circuit Low Voltage Bank 1 Sensor 1
P0131 code definition The P0131 code is low sensor voltage for oxygen sensor bank 1 sensor 1 or improper air fuel ratio. What the P0131 code means P0131 is telling...

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Getting code P0131 rough idle, loud, and smell exhaust fumes
Hello. Codes P0456 and P0131 can come up from a serious exhaust leak. From what you are explaining, it sounds like this is the issue. The exhaust leak will need to be located and repaired before further testing. If there...

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