FIELD: machine building.
SUBSTANCE: invention can be used in the internal combustion engines. Disclosed is a method for a supercharged engine. Indication of compressor bypass valve deterioration is based on inlet air temperature. Bypass valve of compressor is connected to bypass channel of compressor. Supply air temperature is measured upstream of compressor inlet. Disclosed are a method for a supercharged engine and a supercharged engine system.
EFFECT: technical result is higher accuracy of diagnosing deterioration of compressor bypass valve state.
20 cl, 4 dwg
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