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Checks fuel injection system
If any signs of infringement of serviceability of functioning of the fuel injection system, first check the reliability of a tightening of all compression fittings tract supply system. Make sure that the reason is not a violation of a basic disregard for the implementation of procedures for routine maintenance - check the condition of the air cleaner and the fuel filter, a measurement of working backlashes of valves, the compression pressure in the cylinders, etc. Make sure the hose cross-crankcase ventilation system (see chap. Current care and maintenance). If after the above checks reveal the cause of the violation is not possible, drive away the car to the service station for Bole detailed diagnosis - in the lower part of the dashboard on the driver's side is the DLC to connect a special scanner, through which it reads fault codes (DTC), board self-diagnostic system detected and recorded in the memory of the processor control unit.  | Alternatively, read the DTC can be made using a special card equipped with a PC with installed software - to connect a computer to the DLC connector uses a special cable. By reading the code can easily identify the operator even hidden faults. |
 | Remember that any unprofessional intervention into the engine management system carries a risk of irreversible failure of electronic components! |
Engine idling speed can be measured using a special tachometer for use on diesel engines, but the adjustment of this parameter is not possible. The reason for deviation from the idle speed setpoint can be a violation of serviceability of functioning injectors that in this situation should be cleaned and calibrated. The service life of nozzles is unlimited, but in excess mileage of the car 100 000 km probability of failure increases, - implementation of procedures of repair and calibration of nozzles should be entrusted to specialists Car.
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