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Which wide-band oxygen sensor incorporates a pump cell?

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Final answer:

The wide-band oxygen sensor with a pump cell is called the Wideband Lambda Sensor or Wideband Oxygen Sensor and it uses a pump cell to control the oxygen concentration in the exhaust gas.

Step-by-step explanation:

The wide-band oxygen sensor that incorporates a pump cell is known as the Wideband Lambda Sensor or the Wideband Oxygen Sensor. This type of sensor uses a pump cell to actively control the oxygen concentration in the exhaust gas.

It operates by pumping oxygen across a porous electrolyte, which generates an electric current proportional to the oxygen concentration. This current is then used by the sensor to accurately determine the air-fuel ratio in the engine.

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