Table 4.1. Technical characteristics of the fuel injection system elements
Purpose | Brand/Type | Note |
Fuel injection pump | BOSCH SRZ | Fuel pressure 300-1350 bar |
Fuel pressure sensor | BOSCH | Screwed into the high pressure accumulator |
Nozzles | BOSCH | Electromagnetic injector. Resistance: 0.33 Ohm. Maximum working pressure: 1350 bar. Maximum pressure 1525 bar |
Fuel pressure regulator | — | Screwed into the fuel injection pump. Resistance 2.4 Ohm at 20°C. Tightening torque: 6 Nm |
Fuel injection system control unit | BOSCH EDC 15СЗ | With 120 contacts |
Fuel pump (low pressure pump) | BOSCH EKRZ | Pressure no more than 2.5 bar. Productivity: not less than 80-100 l/h |
Pre- and post-heating unit | NAGARES BED/7-12 | Ensures operation of the pre-start and post-heating system according to commands from the injection system control unit |
Glow plugs | BERU | Resistance: 0.6 Ohm when the connector is disconnected |
Accelerator pedal position sensor | HELLA | Dual track potentiometer. Track 1 resistance: 1200±480 ohms. Track 2 resistance: 1700±680 ohms |
Intake air temperature sensor | SIEMENS | Built-in air flow meter. Resistance between 100 Ohm and 40 kOhm |
Fuel temperature sensor | ELTH | Resistance: 2050 Ohm at 25°C |
Coolant temperature sensor | ELTH | Resistance: 2252±112 Ohm at 25°C |
Crankshaft speed sensor | MGI | Resistance: 235±35 Ohm at 20°C |
Camshaft Position Sensor | ELECTRICIFIL | Hall sensor |
Air flow meter | SIEMENS | Air flow meter with built-in air temperature sensor |
Boost pressure sensor | DELCO | Output voltage with ignition on and engine not running (between tracks A and B): 1.9 V for atmospheric pressure 1013 mbar |
Atmospheric pressure sensor | — | Built into the control unit |
Exhaust gas recirculation solenoid valve | PIERBURG | Conductive path resistance: 4 kOhm±1.6 Ohm at 20°C (when measuring between contacts 4 and 6). Sensor resistance: 8±0.5 Ohm at 20°C (when measuring between contacts 1 and 5) |
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