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Methods and Systems for Variable Displacement Engine Control

  • US 20120285161A1
  • Filed: 05/12/2011
  • Published: 11/15/2012
  • Est. Priority Date: 05/12/2011
  • Status: Active Grant
First Claim
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1. A method of operating a boosted engine with selectively deactivatable cylinders, comprising:

  • adjusting a window and a threshold for pre-ignition detection based on a number of deactivated cylinders.

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