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METHODS AND SYSTEMS FOR AN OXYGEN SENSOR

  • US 20140288804A1
  • Filed: 03/22/2013
  • Published: 09/25/2014
  • Est. Priority Date: 03/22/2013
  • Status: Active Grant
First Claim
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1. A method for an engine system, comprising:

  • based on outputs from a catalyzing sensor and a non-catalyzing sensor, indicating an intake oxygen concentration and a fuel vapor concentration;

    adjusting exhaust gas recirculation responsive to the oxygen concentration; and

    adjusting fuel injection responsive to the fuel vapor concentration.

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