Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuo Mukai0
Date of Patent
July 24, 2012
Patent Application Number
12486242
Date Filed
June 17, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
An alcohol concentration sensor detecting alcohol concentration of fuel is provided in a fuel tank or a fuel passage. An alcohol concentration detected at a previous driving of an engine is stored in a backup RAM. When a current alcohol concentration is different from the previous alcohol concentration, a procedure of an abnormality diagnosis is prohibited or invalidated until all of the fuel remaining in the fuel passage is consumed.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.