Mazda 626

1991-1998 of release

Repair and car operation



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   + 3.1. Petrol engines (1,6 and 1,8 liters)
   + 3.2. Petrol 4-cylinder engine (2 liters)
   + 3.3. Petrol V6 engine (2,5 liters)
   + 3.4. Partition of engines (1,6 and 1,8 liters)
   + 3.5. Partition of engines (2,0 and 2,5 liters of V6)
   - 3.6. Diesel engine of 2,0 liters
      3.6.1. Technical characteristics
      3.6.2. Maintenance, repair
      3.6.3. Principle of operation of the diesel engine
      + 3.6.4. Gear belt, installation of phases of a gazoraspredeleniye
      3.6.5. System of preliminary warming up
      3.6.6. Check of the device of preliminary warming up
      3.6.7. Air removal from fuel system
      3.6.8. Check and replacement of the electromagnetic valve of an otsechka of fuel
      3.6.9. Check and adjustment of turns of idling
      3.6.10. Removal and installation of nozzles
      3.6.11. Removal of the vacuum pump
      3.6.12. Diagnostics of malfunctions of a power supply system of the diesel engine
   + 3.7. Systems of electric equipment of the engine
+ 4. Heating and ventilation
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electroschemes
+ 14. Good advice
.


3.6.12. Diagnostics of malfunctions of a power supply system of the diesel engine

GENERAL INFORMATION

In order that according to the below-mentioned table defects could be localized, should be satisfied the following conditions: there should not be mistakes at engine start. Fuel in a tank, the engine mechanically as it should be, the accumulator is charged, the starter rotates with necessary number of turns.


Prevention

Before removal of fuel hoses and tubes they should be cleared a cold cleaner.


REASON
ELIMINATION METHOD
The engine is not started, started badly
The preliminary warming up does not work Check system of a preliminary warming up.
Tension on the valve of shutdown of supply of fuel does not move Connect a tension sampler to the valve, include ignition. The light-emitting diode should light up, otherwise find and eliminate wire break.
Defect of the valve of shutdown of supply of fuel Check reliability of fastening and connection with mass of the valve of shutdown of supply of fuel. Switch on and off ignition, clicks of operation of the valve should be thus audible.
Refusal in fuel system Check supply of fuel. Clear fuel pipelines. Replace the fuel filter. Clean.
Defect of nozzles Check nozzles, consistently weakening cap nuts and checking, whether cylinders work.
Defect of the fuel pump of a high pressure For test establish obviously serviceable pump.
The engine not exactly idles, in a start of motion Fuel hoses on fuel the pump or on the fuel filter are not fixed. Replace fuel hoses, tighten collars, hollow screws.
The increased fuel consumption
The air filter is polluted Replace an element of the air filter.
Thinnesses in fuel system Make external survey of all fuel pipeline, the fuel filter and the fuel pump of a high pressure.
The tube of return of fuel is littered Blow air a tube of return of fuel in the direction from the fuel pump of a high pressure to a fuel tank. Replace a modulation throttle in the hollow screw of a tube of return of fuel.
Idling turns are raised Adjust idling turns.
The control lamp of preheat does not light up
Defect of a control lamp on the dashboard Replace a lamp.
Defect of a glow plug Check glow plugs.
The control lamp of the preliminary warming up does not light up, the cold engine is badly started
Defect of one or several candles of an incandescence
Check and, probably, replace glow plugs.