E30 series BMW 3

since 1983-1994 of release

Repair and car operation



E30 BMW
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
- 7. Exhaust system
   + 7.1.2. Exhaust system of cars 318i
   - 7.2. System of decrease in toxicity of exhaust gases
      7.2.2. Self-diagnostics of system of injection of Motronic
      7.2.3. Processor block (ECU block)
      7.2.4. Sensors of system of automatic control of the engine
      7.2.5. System of compulsory ventilation of a case (PCV system)
      7.2.6. Catching system паров gasoline (EVAP system)
      7.2.7. Catalytic converter
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice



7.2. System of decrease in toxicity of exhaust gases

7.2.1. Introduction

GENERAL INFORMATION

Into structure of system of decrease in toxicity of considered cars enter:

 – catalytic converter;
 – catching system паров gasoline (EVAP system);
 – system of compulsory ventilation of a case (PCV system);
 – system of automatic control of the engine.

The device of system depends on a car complete set. Before drawing a conclusion on malfunction of system of decrease in toxicity, carefully check work of fuel system (see subsection 6.3) and ignition systems (see subsection 3.3.6.2). For diagnostics of some devices of system certain skills, and also special tools and the equipment are required. If it will become clear that check and repair of system cannot be executed independently, address in a workshop of car-care center of the dealer or in a specialized workshop.