FIELD: engines.
SUBSTANCE: invention discloses various methods for controlling pre-injection at initial engine operation after vehicle manufacturing. In one example, the method comprises feeding a first portion of fuel as a pre-injection, and reducing only the first portion of fuel in accordance with a study of the nozzle flow characteristic.
EFFECT: disclosed method for controlling fuel pre-injection in a vehicle engine.
20 cl, 11 dwg
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Authors
Dates
2019-08-21—Published
2015-07-20—Filed