Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 5, 2022
Patent Application Number
17066297
Date Filed
October 8, 2020
Patent Primary Examiner
Systems and methods for determining degradation of a cylinder deactivation mechanism are described. In one example, engine data generated while an engine is operation with all of its cylinders active is used to correct engine data generated while one or more engine cylinders are deactivated to improve detection of a degraded cylinder deactivation mechanism.
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