Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 1, 2022
Patent Application Number
17106696
Date Filed
November 30, 2020
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and systems are provided for diagnosis of oil dilution in an engine. In one example, a method may include sealing a crankcase and spinning an engine unfueled to heat and vaporize the oil in response to detection of rich engine operation. Pressure measurements at the sealed crankcase may be collected and compared to a baseline to diagnose a presence of fuel in the oil.
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