Method and system for pre-ignition control
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United States of America Patent
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Dec 27, 2016
Grant Date -
Jul 30, 2015
app pub date -
Apr 7, 2015
filing date -
Jun 29, 2012
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Abstract
Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. In response to a late burn combustion event in a cylinder, ignition coil dwell time is extended in the cylinder to reduce unintended combustion delays. In addition, pre-ignition mitigating actions are performed in a neighboring cylinder that may be prone to pre-ignition induced by the late combustion event.
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