Subaru Legacy

since 1990-1998 release

Repair and operation of the car



Subaru of Legasi
+ 1.1. Identification numbers
+ 2. Maintenance
+ 3. Engines
+ 4. Heating, ventilation
- 5. Fuel system
   5.1. Introduction
   5.2. Technical characteristics
   5.3. Removal of pressure in fuel system
   5.4. Check of the fuel pump
   5.5. Fuel pump
   5.6. Fuel separator (only models 4WD)
   5.7. Fuel level sensor
   5.8. Fuel tank
   5.9. Casing of the air filter
   5.10. Accelerator cable
   5.11. Electronic system of injection of fuel
   5.12. Fuel system
   5.13. System of air supply
   5.14. System of electronic control
   5.15. Check of system of injection of fuel
   + 5.16. Check and replacement of elements of system of injection of fuel
   5.17. Turbocharger
   5.18. Check of the executive mechanism of the gate of a turbocharger
   5.19. General check of a turbocharger
   5.20. Removal and installation of a turbocharger
+ 6. Exhaust system
+ 7. Systems of start, ignition
+ 8. Transmissions
+ 9. Coupling, shaft
+ 10. Brake system
+ 11. Suspension bracket
+ 12. Steering
+ 13. Body
+ 14. Electric equipment





5.11. Electronic system of injection of fuel

GENERAL INFORMATION

Electronic system of injection of SPFI fuel


1 – air filter
2 – EGR temperature sensor
3 – air stream measuring instrument
4 – EGR valve
5 – fuel pump
6 – fuel tank
7 – control lamp
8 – to the relay of system of compulsory inclusion of a low gear
9 – speed sensor
10 – switch
11 – А/С switch
12 – neutral switch of an automatic transmission
13 – switch of blocking of a starter
14 – fuel filter
15 – relay of the fuel pump
16 – electromagnetic valve of an ochistika
17 – EGR valve
18 – bypass air valve
19 – injector
20 – damper
21 – fuel pressure regulator
22 – control unit
23 – relay of system of ignition
24 – fuel tank
25 – the canister with coal
26 – PCV valve
27 – sensor of temperature of cooling liquid
28 – sensor of provision of a butterfly valve
29 – the distributor with the sensor of an angle of rotation of a cranked shaft
30 – oxygen sensor
31 – catalyst
32 – ignition block
33 – ignition coil

Electronic system of injection of MPFI fuel

1 – sensor of temperature of cooling liquid
2 – detonation sensor
3 – air filter
4 – air stream sensor
5 – ignition coils
6 – valve of ventilation of a case
7 – bypass air valve
8 – electromagnetic valve
9 – canister
10 – backpressure valve
11 – fuel pump
12 – fuel tank
13 – fuel filter
14 – relay of the fuel pump
15 – control lamp
16 – pressure regulator
17 – relay
18 – ECU block
19 – ignition block
20 – fuel nozzle
21 – speed sensor
22 – starter
23 – control switch of air
24 – the switch on a mechanical transmission
25 – switch of blocking of a starter of an automatic transmission
26 – sensor of an angle of rotation of a camshaft
27 – sensor of an angle of rotation of a cranked shaft
28 – oxygen sensor
29 – catalyst

Electronic system of injection of MPFI fuel of engines with a turbocharger

1 – electromagnetic valve of the gate
2 – air filter
3 – air stream measuring instrument
4 – electromagnetic valve
5 – valve of cleaning No. 2
6 – pressure sensor
7 – to a radiator
8 – to the tank
9 – to a radiator head
10 – water pump
11 – broad tank
12 – valve of cleaning No. 1
13 – bypass air valve
14 – fuel nozzles
15 – ignition coils
16 – temperature sensor
17 – cooling of a turbocharger
18 – sensor
19 – ignition block
20 – catalyst
21 – sensor of an angle of rotation of a cranked shaft
22 – sensor of an angle of rotation of a camshaft
23 – spark plug
24 – detonation sensor
25 – fuel nozzle
26 – pressure regulator
27 – fuel filter
28 – valve
29 – valve of ventilation of a case
30 – throttle chamber
31 – throttle sensor
32 – unilateral valve
33 – canister
34 – backpressure valve
35 – fuel pump
36 – fuel tank
37 – relay of the fuel pump
38 – control lamp
39 – relay
40 – control unit
41 – control relay
42 – speed sensor

The electronic system of injection of fuel consists of three main systems: fuel system, system of air supply and system of electronic control.