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)
      5.2.1. Introduction
      5.2.2. Technical characteristics
      5.2.3. Release of pressure from a power supply system
      5.2.4. The fuel pump/pressure in a power supply system
      5.2.5. Fuel tubes and connections
      5.2.6. Removal and installation of the fuel pump
      5.2.7. Fuel level sensor
      5.2.8. Fuel tank
      5.2.9. Air filter
      5.2.10. Accelerator rope
      + 5.2.11. System of electronic injection of fuel
   + 5.3. Power supply system (l engines 2,0 and 2,5)
+ 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


5.2.2. Technical characteristics

GENERAL INFORMATION

Power supply system

Fuel pressure
Maximum pressure of the fuel pump:
  – models with the 1,6 l engine
4,4 – 5,9 Bars
  – models with the 1,8 l engine
5,0 – 6,4 Bars
Ignition is included, the engine does not work:
  – models with the 1,6 l engine
2,5 – 3,2 Bars
  – models with the 1,8 l engine
2,8 – 3,1 Bars
The engine works in the idling mode:
  – models with the 1,6 l engine
2,1 – 2,6 Bars
  – models with the 1,8 l engine
2,0 – 2,3 Bars
The engine works in the idling mode (the vacuum hose is disconnected from pressure regulator):
  – models with the 1,6 l engine
2,6 – 3,2 Bars
  – models with the 1,8 l engine
2,8 – 3,1 Bars
  – the minimum pressure in a power supply system
1,4 Bar
Resistance of injectors:
  – models with the 1,6 l engine
12 – 16 Ohms

  – models with the 1,8 l engine

13,8 Ohm at 20 °C
Valve resistance adjustment of air supply in the idling mode:
  – models with the 1,6 l engine
  – models with the 1,8 l engine
10,7 – 12,3 Ohms at 20 °C
Free wheeling of a rope of an accelerator
1,0 – 3,0 mm
Idling speed:

   – models with the 1,6 l engine

     • models with a body like "Station wagon"
800 – 900 rpm
     • all other models
700 – 800 rpm
  – models with the 1,8 l engine
700 – 800 rpm

Moments of an inhaling, N. of m.

Bolts / nut of fastening of a branch pipe of collecting air
19 – 26
Fixing bolts of a fuel collector
19 – 26
Fixing bolts of the case of a butterfly valve
19 – 26



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