Fuel System Functional Diagram - Fiat 1998 Marea Service Manual

Engine
Fuel system
10.

FUEL SYSTEM FUNCTIONAL DIAGRAM

NOTE The 1910 JTD (4 cylinder) engine is illustrated; the diagram for the 2387 JTD version only dif-
fers through the presence of the 5th cylinder.
1. Auxiliary electric fuel pump
2. Heater plugs control unit
3. Vehicle speed
4. Rev counter
5. Heater plugs warning light
6. Infocenter (system failure warning)
7. EGR valve
8. Pressure regulator
9. Excess pressure sensor
10. Fuel temperature sensor
11. Fuel pressure sensor
12. Injection system relay
13. Electronic control unit
14. Injectors
15. Heater plugs
16. Rpm sensor
2
Marea- Marea Weekend • f p
17. Engine coolant temperature sensor
18. Climate control system connector
19. Diagnostic socket
20. Fiat CODE system connector
21. Flow meter
22. Timing sensor
23. Potentiometer on accelerator pedal
24. Switch on clutch pedal
25. Switch on brake pedal
26. Fuel filter
27. Pressure pump
28. Return manifold (low pressure)
29. Supply manifold (high pressure)
™
99 range
Print n° 506.763/14