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






5.16.7. Sensor of provision of a butterfly valve (SPFI)

Adjustment

PERFORMANCE ORDER
1. Disconnect the electric socket from the sensor of provision of a butterfly valve and, using an ohmmeter, check resistance between contacts And yes Century.
2. At completely closed butterfly valve resistance has to be equal 0, and at completely open butterfly valve resistance has to be equal to infinity.
3. For adjustment of the sensor of provision of a butterfly valve, weaken screws of fastening and turn the sensor.
4. Insert an edge of the probe (1) 0,31 mm thick between the lock screw in the case of a throttle and the limiter and check that resistance between contacts And yes In equally 0.
5. Insert an edge of the probe 0,79 mm thick between the lock screw in the case of a throttle and the limiter and check that resistance between contacts And yes In equal infinity.

Check

PERFORMANCE ORDER
1. Disconnect the electric socket from the sensor of provision of a butterfly valve and using an ohmmeter check resistance between contacts of B and D and after opening of a butterfly valve contacts With and Century.
2. Between contacts In and the D resistance 3,5–6,5 kOhm have to make.
3. Between contacts In and From resistance there have to be less than 1,0 kOhm at completely closed butterfly valve, and 2,4 kOhm at completely open butterfly valve.
4. When moving a butterfly valve from closed in completely open situation resistance by contacts In and With has to increase gradually.

Replacement

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. Apply combination tags on the case of a throttle and the sensor of provision of a butterfly valve and unscrew bolts of fastening of the sensor.
3. Disconnect the electric socket from the sensor.
4. Remove the sensor, having pulled it with in the axial direction from an axis of a butterfly valve.
5. Installation is made in the sequence of the return to removal, at the same time it is necessary to establish a new sealing ring and to combine the sensor with an axis of a butterfly valve.





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