Fig. 7.43 a. Location of diesel fuel injection system elements in the engine compartment of vehicles with AGP, AQM, AYQ engines:
1 - Upper part of the intake manifold; 2 - Injector of the third cylinder with injector needle movement sensor; 3 - Connecting pipe; 4 - Exhaust gas recirculation valve (mechanical); 5 - Exhaust gas recirculation valve; 6 - Relay; 7 - Intake manifold temperature sensor; 8 - Fuel injection system control unit; 9 - Brake pedal sensor; 10 - Brake light switch; 11 - Clutch pedal sensor; 12 - Coolant temperature sensor; 13 - Bolt; 14 - Crankshaft speed sensor; 15 - Sealing ring; 16 - Injector needle displacement sensor wiring connector; 17 - Crankshaft speed sensor wiring connector; 18 - Wiring connectors: fuel temperature sensor, fuel quantity regulator, modulating piston displacement sensor, fuel cut-off valve; 19 - Injection start valve; 20 - Fuel cut-off valve; 21 - Fuel injection pump.
Fig. 7.43 b. Location of diesel fuel injection system elements in the engine compartment of vehicles with AGR, ALH, ASV engines:
1 - Intake manifold switching valve; 2 - Exhaust gas recirculation valve (mechanical); 3 - Intake manifold; 4 - Injector of the third cylinder with injector needle movement sensor; 5 - Exhaust gas recirculation valve; 6 - Boost pressure control solenoid valve; 7 - Relay; 8 - Air flow meter; 9 - Fuel injection system control unit; 10 - Brake pedal sensor; 11 - Brake light switch; 12 - Clutch pedal sensor; 13 - Coolant temperature sensor; 14 - Intake manifold temperature and pressure sensor; 15 - Bolt; 16 - Crankshaft speed sensor; 17 - Sealing ring; 18 - Injector needle displacement sensor wiring connector; 19 - Crankshaft speed sensor wiring connector; 20 - Wiring connectors: fuel temperature sensor, fuel quantity regulator, modulating piston displacement sensor, fuel cut-off valve; 21 - Injection start valve; 22 - Fuel cut-off valve; 23 - Fuel injection pump.
Fig. 7.44. High pressure fuel pump
1, 14, 18 - Bolts; 2 - Fuel injection pump pulley; 3, 10 - Nuts; 4, 17 - Seals; 5 - Fuel intake line nipple (from the fuel filter); 6 - High-pressure fuel pump with fuel quantity regulator, modulating piston displacement sensor, fuel temperature sensor; 7 - Fuel cut-off valve; 8 - Fuel drain line nipple; 9 - Fuel drain line to fuel filter control valve; 11 - High pressure fuel lines; 12 - Fitting; 13 - Nozzle (third cylinder with needle displacement sensor); 15 - Retainer; 16 - Support; 19 - Fuel injection start valve; 20 - Sealing ring; 21 - Filter; 22 - Fuel injection advance timing regulator cover; 23 - Bushing; 24 - Bracket.
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