Methods and systems for operating a variable voltage oxygen sensor
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United States of America Patent
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Jan 23, 2018
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app pub date -
Oct 17, 2014
filing date -
Oct 17, 2014
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Abstract
Methods and systems are provided for adjusting a rate of change in a reference voltage of an oxygen sensor. In one example, a method may include gradually increasing a reference voltage of an oxygen sensor from a lower first voltage to a higher second voltage at a ramp rate. The ramp rate may be based on engine operating conditions.
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