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Oxygen depletion sensing for a remote starting vehicle

  • US 20060068973A1
  • Filed: 09/27/2004
  • Published: 03/30/2006
  • Est. Priority Date: 09/27/2004
  • Status: Active Grant
First Claim
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1. A method to control an internal combustion engine, the engine being adapted for remote starting, comprising:

  • determining a measured air/fuel ratio based on fuel flow and air flow, said fuel flow and said air flow being supplied to the engine;

    computing an error based on said first air/fuel ratio and a stoichiometric air/fuel ratio; and

    ceasing engine combustion when said error exceeds a threshold and when it is determined that the engine has been started remotely.

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