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Checking ignition system
Safety precautions
To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted:
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◆ Do not touch or disconnect ignition wiring when the engine is running or at starter speed.
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◆ Always switch off the ignition before connecting or disconnecting injection or ignition system wiring or tester cables.
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◆ To run engine at starting speed without actually starting it (for example, in order to test compression), unplug connector from the output stage of the ignition coils and also the connectors on the injectors. After completing the work, interrogate the fault memory and erase it.
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◆ Always switch off the ignition before washing the engine.
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◆ Always switch off the ignition before connecting or disconnecting the battery, otherwise the engine control unit may be damaged.
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