FIELD: mechanical engineering; internal combustion engines; fuel system devices. SUBSTANCE: fuel system 10 has at least one unit nozzle 18 with hydraulic drive and electronic control and device 20 for delivering hydraulic drive working fluid to nozzle 18. Fuel system 10 has also device for taking up pressure of working fluid delivered to nozzle 18 for generating pressure signal S6 reflecting the taken in pressure. Fuel system 10 has device 24 to regulate hydraulic drive working fluid pressure delivered to nozzle 18 and to correct value of pressure basing on pressure signal S6. EFFECT: enhanced reliability of operation. 9 cl, 13 dwg
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