Mazda 626

1991-1998 of release

Repair and car operation



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Heating and ventilation
+ 5. Fuel system
- 6. Exhaust system
   + 6.1. Exhaust system
   - 6.2. Systems of decrease in toxicity of exhausts and management of operation of the engine
      6.2.1. Introduction
      6.2.2. System of self-diagnostics and malfunction codes
      6.2.3. Central control unit
      6.2.4. Sensor of provision of a butterfly valve
      6.2.5. Sensor of a stream of air
      6.2.6. The sensor of temperature of arriving air
      6.2.7. The sensor of temperature of cooling liquid
      6.2.8. Sensor of provision of a cranked shaft
      6.2.9. Sensor of provision of a camshaft
      6.2.10. Switch of system of hydrostrengthening of a steering
      6.2.11. Oxygen sensor
      6.2.12. Sensor of detonation combustion of fuel
      6.2.13. Sensor of speed
      6.2.14. Air valve
      6.2.15. System of additional supply of air on low turns
      6.2.16. System of ventilation of a case
      6.2.17. System of a retsirkulyatsiya of exhaust gases
      6.2.18. Collecting system паров fuels
      6.2.19. Switch of fires of a stoplight
      6.2.20. Catalytic converter
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electroschemes
+ 14. Good advice



6.2.17. System of a retsirkulyatsiya of exhaust gases

GENERAL INFORMATION

The system of a retsirkulyatsiya of exhaust gases reduces the maintenance of an oxide of nitrogen in exhaust gases, sending a part of exhaust gases via the retsirkulyatsiya valve to an inlet collector. The system of a retsirkulyatsiya of exhaust gases consists of the valve of a retsirkulyatsiya and the sensor of position of the valve.

Check

PERFORMANCE ORDER
1. For check of the sensor of the valve of a retsirkulyatsiya, disconnect the socket of connection of the valve (shooter) and check resistance between plugs 1 and 3, 3 and 5, 2 and 4, 4 and 6 on the valve. It should make about 22 Ohm. If is not present, replace the valve.
2. Warm up the engine to normal working temperature. Disconnect a vacuum hose from the valve and connect the vacuum pump. At depression creation operation of the engine should worsen or it can decay in general. If is not present, replace the valve.
3. Check, that the electromagnetic valve changed the direction of a stream of air when giving tension.

Replacement of the valve of a retsirkulyatsiya

PERFORMANCE ORDER
1. Disconnect the socket of connection of the valve. Unscrew a retsirkulyatsiya tube, turn off fixing bolts (are specified by shooters) and remove the valve.
2. Installation is carried out upside-down removals. Use new laying.