| Safety precautions when working on the injection and glow plug system |
| To prevent injuries to persons and/or damage to the fuel injection and glow plug system, note the following: |
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| Persons wearing a cardiac pacemaker must at all times maintain a safe distance from high-voltage components such as piezo systems and xenon headlights. |
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| Always switch off the ignition before connecting or disconnecting tester cables or electrical wiring for the injection or glow plug system. |
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| Do not open any fuel line connections while the engine is running. |
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| Always switch off ignition before washing engine. |
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| Certain tests may lead to faults being detected and stored by the engine control units. Therefore the event memory must be interrogated after completing all tests and repair work („Interrogate event memory“). |
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