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1. The given check, without being strictly obligatory, enters into number of the procedures of routine maintenance of the car stipulated by the manufacturer. During check by means of the special diagnostic equipment the condition and serviceability of functioning of a control system are estimated by the engine. The electronic input reader is connected to a special diagnostic socket that allows to poll memory of the electronic block of management (ECU) on presence in it of codes of malfunctions.
2. Strictly speaking, the valid necessity for carrying out of the given check arises only in case of occurrence of suspicions on malfunction presence.
3. Functioning of a control system of the engine some of enough gross infringements can remain long time not noticed by the owner. At certain refusals the system is simply switched to functioning emergency operation decrease in efficiency of return of the engine at which sometimes appears almost imperceptible and shown only at cold start.
ONCE A YEAR, WITHOUT DEPENDENCE FROM RUN SIZE |