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METHOD FOR IMPROVING ENGINE STARTING

  • US 20130146024A1
  • Filed: 12/13/2011
  • Published: 06/13/2013
  • Est. Priority Date: 12/13/2011
  • Status: Active Grant
First Claim
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1. An engine starting method, comprising:

  • providing a substantially constant air mass to the engine after engine run-up until a predetermined condition;

    adjusting ignition timing to provide a torque to achieve a desired engine idle speed while the engine inducts the substantially constant air mass; and

    advancing spark timing toward MBT timing in response to an increase in engine torque while the engine inducts the substantially constant air mass.

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