Mercedes S-class W202

1993-2000 of release

Repair and car operation

Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
- 8. Fuel system
   + 8.1.1. Introduction
   - 8.2. System of injection of petrol engines A principle of work PMS A principle of work HFM
      8.2.2. Self-diagnosing of a condition of system of ignition and fuel injection
      8.2.3. Air flowmeter
      8.2.4. A temperature-sensitive element of a cooling liquid
      8.2.5. The gauge of soaked up air
      8.2.6. System of vacuum pipelines
      8.2.7. The fuel distributor with клапанными atomizers
      8.2.8. Klapannye atomizers
      8.2.9. The oxygen gauge (ljambda-probe)
      8.2.10. Diagnostics of malfunctions of system of injection of gasoline
      8.2.11. That it is necessary to know to the owner of the car with инжекторным the engine
      8.2.12. The Turbo-doctor
   + 8.3. System of injection and a food of diesel engines
   + 8.4. System of release of the fulfilled gases
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
+ 14. An electric equipment
+ 14.2. Electroschemes

8.2.2. Self-diagnosing of a condition of system of ignition and fuel injection

At presence HFM - and PMS-control systems any more it is not required to regulate frequency of rotation of a shaft of the engine in a mode of idling and the maintenance окиси carbon. The system itself supervises itself and accumulates the revealed malfunctions in memory. Firm Mercedes repair truck can define malfunctions by means of a reading device and purposefully eliminate them. One malfunction not necessarily considerably comes to light because of deterioration of road performance of the car. Therefore it is expedient after passage by the car of certain distance to visit a service repair truck.

Contents of memory of malfunctions remain even at switching-off of the storage battery. The malfunctions written down in memory automatically are erased in the event that during time about 20 trips following one after another they are not shown any more. The malfunctions written down in memory can be manually erased by means of the device of reading of malfunctions.

At carrying out of repair work in system of injection of fuel it is necessary to observe rules of maintenance of cleanliness concerning the power supply system and to follow instructions under safety precautions concerning ignition system.