Mazda 626

1991-1998 of release

Repair and operation of the car



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Heating and ventilation
- 5. Fuel system
   + 5.1. Nikki 30/34 carburetor
   + 5.2. Power supply system (l engines 1,6 and 1,8)
   - 5.3. Power supply system (l engines 2,0 and 2,5)
      5.3.1. Introduction
      5.3.2. Technical characteristics
      5.3.3. Dumping of pressure in fuel system
      5.3.4. Fuel pump and fuel pressure
      5.3.5. Fuel tubes and connections of tubes
      5.3.6. Fuel level measuring instrument sensor
      5.3.7. Fuel tank
      5.3.8. Casing of the air filter
      5.3.9. Accelerator rope
      5.3.10. Electronic system of injection of fuel
      5.3.11. Casing of a butterfly valve
      5.3.12. Fuel pressure regulator
      5.3.13. Fuel highway and injectors
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and half shafts
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electrical circuitries
+ 14. Useful tips


5.3.2. Technical characteristics

GENERAL INFORMATION

Fuel pressure
Ford Probe:
  – the ignition key is turned, the engine does not work
35 – 40 psi
  – the engine works
30 – 45 psi
Mazda:
  – the engine works, the vacuum hose of the regulator of pressure of fuel is connected:
     • four-cylinder
30 – 38 psi
     • six-cylinder
30 – 36 psi
  – the engine works, the vacuum hose of the regulator of pressure of fuel is disconnected:
     • four-cylinder
37 – 46 psi
     • six-cylinder
39 – 45 psi
Injector resistance (approximately)
12 – 16 Ohms

Moments of an inhaling, N. of m.

Bolts or nuts of the case of a throttle:
  – four-cylinder
19 – 24
  – six-cylinder:
     • nuts
20 – 29
     • bolts
19 – 24
Bolts of the fuel highway
19 – 24
Fuel pressure regulator bolts
11



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