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SYSTEMS AND METHODS FOR SENSING FUEL VAPOR PRESSURE

  • US 20160153384A1
  • Filed: 12/02/2014
  • Published: 06/02/2016
  • Est. Priority Date: 12/02/2014
  • Status: Active Grant
First Claim
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1. A method for a vehicle, comprising:

  • during an engine start after the engine has been off for at least a minimum duration, actively controlling fuel pressure in a fuel system to a vapor-liquid volume ratio greater than zero and then recording sensed fuel pressure and temperature in the fuel system.

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