Cummins Inc.
ENGINE CONTROL BASED ON COMBUSTION MISFIRE OF EXHAUST GAS RECIRCULATION CYLINDER

Abstract:

A system for controlling combustion misfire in an engine comprising a plurality of cylinders, at least a portion of the plurality of cylinders receiving recirculated exhaust gas, comprises a controller structured to detect a combustion misfire in at least one of the cylinders of the plurality of cylinders. The controller is configured to retard a spark timing of at least the portion of the plurality of cylinders after a time delay.