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LEAK DETECTION BASED ON FUEL LEVEL

  • US 20150025722A1
  • Filed: 07/18/2013
  • Published: 01/22/2015
  • Est. Priority Date: 07/18/2013
  • Status: Active Grant
First Claim
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1. A method for a vehicle with an engine, comprising:

  • during an engine-on condition, delivering fuel from a fuel tank to one or more cylinders of the engine while the fuel tank is sealed off from atmosphere; and

    indicating a leak based on pressure in the fuel tank.

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