Subaru Legacy + 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
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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 the 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 – a 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 bent 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 the mechanical transmission 25 – switch of blocking of a starter of the automatic transmission 26 – sensor of an angle of rotation of the camshaft 27 – sensor of an angle of rotation of a bent 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 bent shaft |
22 – sensor of an angle of rotation of the 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 camera 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.
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