P0130 MERCEDES-BENZ - O2 Sensor Circuit Malfunction Bank 1 Sensor 1
Tech notesReplacing the O2 Sensor 1 usually takes care of the problem
When is the code detected?The response of the voltage signal from the sensor takes more than the specified time.
P0130 Mercedes-benz DescriptionThe front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The heated oxygen sensor 1 signal is sent to the Engine Control Module (ECM). The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio. The ideal air-fuel ratio occurs near the radical change from 1V to 0V.
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