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Multi-component transient fuel compensation

  • US 8,042,518 B2
  • Filed: 04/14/2010
  • Issued: 10/25/2011
  • Est. Priority Date: 04/14/2010
  • Status: Active Grant
First Claim
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1. A method of adjusting fuel injections to an engine, comprising:

  • adjusting an amount of a fuel injection to an engine based on an ethanol content of fuel in a port puddle, including determining a transient fuel compensation based on the ethanol content and a vapor pressure of the fuel in the port puddle and adjusting a desired amount of injected fuel based on the transient fuel compensation.

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