Subaru Legacy

since 1990-1998 release

Repair and operation of the car



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
      5.16.1. Throttle case
      5.16.2. Fuel highway
      5.16.3. Fuel pressure regulator
      5.16.4. Fuel nozzles (MPFI)
      5.16.5. Fuel nozzle (SPFI)
      5.16.6. Control air valve (IAC)
      5.16.7. Sensor of provision of a butterfly valve (SPFI)
   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






5.16. Check and replacement of elements of system of injection of fuel

5.16.1. Throttle case

GENERAL INFORMATION

Case of a throttle of system of injection (SPFI)

1 – inlet air hose
2 – diffuser
3 – air supply adjustment valve
4 – pressure regulator
5 – sensor of provision of a butterfly valve
6 – laying
7 – arm
8 – hose of ventilation of a case
9 – valve of ventilation of a case
10 – hose of ventilation of a case

Removal
Prevention

Removal of the case of a throttle needs to be made on the cold engine.


PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. Disconnect the electric socket from the sensor of provision of a butterfly valve.
3. Disconnect an accelerator cable from the lever of a butterfly valve.
4. Mark and disconnect vacuum hoses and hoses of supply of cooling liquid from the throttle case (collars of fastening of hoses are specified by shooters).
5. Unscrew 4 bolts (are specified by shooters) fastenings of the case of a throttle and remove the throttle case together with laying from an inlet collector.

Installation

PERFORMANCE ORDER
1. Using a soft brush, clear the throttle case, then blow all channels compressed air.
2. Installation of the case of a throttle is made in the sequence, the return to removal.