(a) Measurement scheme, (b) detailed schematics of engine: 1 – sensor of pressure and temperature of intake air, 2 – mass air flow sensor, 3 – exhaust gas temperature sensor, 4 – turbocharger, 5 – incremental sensor of crankshaft position and rotation speed, 6 – cylinder pressure sensor, 7 – injection pump, 8 – data acquisition unit for cylinder pressure sensor and crankshaft position speed sensor, 9 – A/D converter LabJack U6, 10 – EEPS, 11 – PC for control and data record, 12 – Laboratory scale with external fuel tank, 13 – dynamometer, 14 – fuel pump.