Methods and systems for diagnosing a clogged crankcase and for performing a crankcase clean out
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United States of America
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Jan 11, 2022
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app pub date -
Feb 23, 2021
filing date -
Feb 23, 2021
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Abstract
Methods and systems are provided for diagnosing a clogged crankcase and performing a crankcase clean out. In one example, a method of operating an engine system including an engine includes measuring a crankcase pressure, and in response to the crankcase pressure increasing above a threshold pressure, determining a position of a clogged oil separator in a crankcase, and directing fluid to flow through the clogged oil separator and into the crankcase until a flow rate of the fluid through the clogged oil separator and into the crankcase increases above a threshold flow rate.
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