Mazda 323

since 1985 of release

Repair and car operation

Mazda 323

+ Introduction
+ Petrol engines
+ System of greasing of the engine
+ System of cooling of the engine
+ ignition System
- Power supply system, carburetor, system of injection of fuel
   Purity rules at work with a power supply system
   Removal and sensor installation/check in a fuel tank
   Removal and installation of a fuel tank
   Removal and installation of the fuel pump
   Removal and installation/check of the fuel pump
   Removal and installation of the air filter
   + Carburettor
   - System of injection of fuel
      System of injection of fuel
      Memory of malfunctions
      Security measures at work with injection system
      Idling check
      Verification of the contents WITH
      Check/adjustment of the sensor of a butterfly valve
      Removal and installation/check of the sensor of temperature of cooling liquid
      Check of gates of injection (injectors)
      Removal and installation of gates of injection
      Check of the fuel pump
+ Diesel engine
+ System of production of the fulfilled gases
+ Coupling
+ Manual transmission
+ Automatic transmission
+ Suspension bracket and steering system
+ Brake system
+ Wheels and tires, body, car coloring, care of the car
+ electric equipment System
+ Heater, lighting system, devices
+ Governing bodies and operation receptions
+ Electric circuits

Idling check

VR engines have electronic system of adjustment of idling therefore idling adjustment on these engines is impossible.

Elements of system of injection

Scheme of system of injection of the engine 1, 4 of l (VZ)



Check condition: The air filter should be established; all hoses, and pipelines of system of an admission of air are connected. All consumers of the electric power are switched off.
    To warm up the engine. The temperature of the engine makes a minimum +80°С. To check the ignition moment.

To connect the verifying device only at the switched-off ignition.

    To connect a tachometer according to the instruction of the manufacturer. To start the engine and to leave to idle. Let's to the engine work in a current of 2 minutes with number of turns of 2500 rpm. To leave the engine to work at single turns and to check number of turns of idling.
Engine Number of turns of idling
ВЗ 850 ± 50/min1
В6 (DOHC) 1025 ± 25/min1
В6 (DOHC) 900 ± 50/min1

1 — the Automatic transmission: Number of single turns + 100 rpm.

During check the fan of a radiator should not turn on. If the fan turned on, it is necessary to wait, while it again will not be switched off.

    If the number of single turns does not correspond to demanded value, to adjust it by means of the adjusting screw of a butterfly valve.
    To disconnect verifying devices at the idle engine and the switched-off ignition.