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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