Combustion engine e.g. direct injection petrol engine for car, has determination module providing information indicating fuel dilution ratio, where module modifies fuel injection parameter according to data indicating ratio of fuel in oil

摘要

The engine has an enclosure for containing lubrication oil of the engine. A determination module is arranged for determining dilution ratio (20) of fuel in the lubrication oil contained in the enclosure. A combustion chamber is arranged in the engine. A control module is arranged for controlling fuel injection. The determination module provides information indicating fuel dilution ratio to the control module. The determination module modifies a fuel injection parameter such as injection pressure, according to the data indicating dilution ratio of fuel in oil.