Articles Lambda

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Lambda sensor (zirconia)

With a lab scope a zirconia lambda sensor is measured on an idling engine at operating temperature. The signal from the sensor is shown and can be downloaded. To help determining whether a zirconia lambda sensor and its heating is functioning correctly, different possible deviations from the example signals are mentioned along with probable causes.

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Measurement example / Sensor
Lambda

Broadband lambda sensor

With a lab scope a broadband oxygen sensor signal voltage is measured. The sensor signal is shown and can be downloaded. To help determining whether the broadband oxygen sensor is functioning correctly, different deviations from the example signal are mentioned along with possible causes.

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Measurement example / Sensor
Lambda