The following requirements must be met:
- do not touch or remove high voltage wires while the engine is running, as well as when turning the crankshaft with a starter;
- disconnect and connect pipelines of the power system, wires of the ignition system, as well as measuring devices only with the ignition off;
- work with electronic ignition systems is prohibited for people with a heart failure stimulator;
- in the primary windings of the ignition coils, the voltage is 400 V. To avoid «breakdowns» voltage, ensure reliable contact of the ignition coil holders;
- When checking the compression in the cylinders, there should be no fuel injection.
Before starting repair and adjustment work, you should connect the device to the diagnostic connector and read the fault codes, as well as check the tightness of all vacuum connections for the possibility of additional air being sucked in.
Replace the clamps with new ones with tightening screws.
To ensure the normal operation of the devices, the voltage of the on-board network must be at least 11.5 V.
If, after repair, the engine starts for a short time and then stops, the cause may be blocking the anti-theft system of the control unit. In this case, it is necessary to read the fault codes and coordinate them with the control unit. This work should be carried out in a specialized car workshop.