FIELD: internal combustion engines.
SUBSTANCE: invention can be used in the internal combustion engines. Method for engine consists in generation of vibration by means of actuator in absence of combustion in engine. Actuator is part of vehicle acoustic warning system and generates car acoustic alerts in accordance with that vehicle speed is below threshold value and engine is disconnected. Detonation sensor characteristics deterioration is shown on the basis of knock signal amplitude generated in response to generated vibration. Invention discloses engine method and hybrid electric vehicle system.
EFFECT: technical result consists in improvement of reliability of determination of deterioration of characteristics of sensor of engine detonation.
18 cl, 3 dwg
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