Pic. 6.68 a. Location of elements of the diesel fuel injection system in the engine compartment of vehicles with AEY, ANV, AKW engines:
1 - Air damper housing; 2 - Nozzle with needle movement sensor; 3 - Exhaust gas recirculation valve; 4 - Air damper potentiometer; 5 - Control unit of the fuel injection system; 6 - Auxiliary heating element relay; 7 - Wiring connector for the injector needle movement sensor; 8 - Wiring connector for crankshaft speed sensor; 9 - Coolant temperature sensor; 10 - Wiring connectors: fuel temperature sensor, fuel quantity regulator, modulating piston displacement sensor, fuel cut-off valve; 11 - Wiring connectors: injection pump, shut-off valve; 12 - Shut-off valve; 13 - Fuel quantity regulator high pressure fuel pump with fuel temperature sensor, modulating piston movement sensor; 14 - Inlet air temperature sensor.
Pic. 6.68 b. Location of elements of the diesel fuel injection system in the engine compartment of vehicles with AFN, AHU, ALE engines:
1 - Air flow meter; 2 - Injector needle displacement sensor; 3 - Exhaust gas recirculation valve; 4 - Solenoid valve for limiting boost pressure; 5 - Temperature sensor in the intake manifold; 6 - Fuel injection system control unit (with intake manifold pressure sensor); 7 - Central wiring connector; 8 - Two-pin connector for the injector needle displacement sensor wiring; 9 - Three-pin connector for the injector needle displacement sensor wiring; 10 - Coolant temperature sensor; 11 - Wiring connectors: fuel temperature sensor, fuel quantity regulator, modulating piston displacement sensor; 12 - Three-pin connector for wiring the fuel cut-off valve; 13 - Shut-off valve; 14 - Fuel quantity regulator HPFP with fuel temperature sensor, modulating piston movement sensor.
Pic. 6.69. High pressure fuel pump:
1, 12 - Nuts; 2 - Pulley injection pump; 3 - Key; 4 - Fuel intake fitting (from the fuel filter); 5, 23 - Oil seals; 6, 16, 24, 29 - Bolts; 7 - Intake fuel line (from the fuel filter); 8 - injection pump with fuel quantity regulator, modulating piston movement sensor, fuel temperature sensor; 9 - O-ring; 10 - Fuel cut-off valve; 11 - Adapter for drain fuel line; 13 - Drain fuel line; 14 - High pressure fuel lines; 15 - Nozzle (third cylinder with needle displacement sensor): 17 - Washer; 18, 27 - Clips; 19 - Support; 20 - Connector for wiring the fuel cut-off valve; 21 - Adapter; 22 - Cover of the fuel injection timing regulator; 25 - Fuel injection start valve; 26 - Filter; 28 - Bushing; 30 - Bracket.
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