Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 26, 2017
Patent Application Number
13853680
Date Filed
March 29, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and systems are provided for estimating fuel volatility. During a vehicle-off condition following a refueling event, fuel volatility may be estimated by operating a fuel pump of a fuel system immediately after the refueling event while a fuel tank temperature is stable. Based on estimated fuel volatility, fuel injection amount and leak test thresholds may be adjusted.
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