CPC F02D 41/2467 (2013.01) [F02D 41/20 (2013.01); F02D 41/221 (2013.01); F02D 41/2477 (2013.01); F02D 2041/2027 (2013.01); F02D 2041/224 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/0616 (2013.01)] | 17 Claims |
6. A system, comprising:
an engine comprising a plurality of cylinders;
a plurality of port-fuel injectors and a plurality of direct injectors, wherein each cylinder of the plurality of cylinders includes at least one port-fuel injector of the plurality of port-fuel injectors and at least one direct injector of the plurality of direct injectors; and
a controller with computer-readable instructions stored on memory thereof that cause the controller to:
determine a fuel mass correction value for each of the plurality of direct injectors based on a fueling error thereof at a reference direct injector pulse-width (PW); and
when the reference direct injector PW is signaled to a direct injector, adjust a PW signal and operate a port-fuel injector of the plurality of port-fuel injectors to inject at least an amount of fuel corresponding to the fuel mass correction value of the direct injector of the plurality of direct injectors, wherein the port-fuel injector and the direct injector fuel a same cylinder of the plurality of cylinders.
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