WARNING | Fuel system is under pressure! Wear safety goggles and appropriate clothing to avoid injury and contact with skin. Before loosening hose connections, wrap a cloth around the connection. Then eliminate the pressure by carefully separating the pipe. |
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| To prevent injuries to persons and/or serious damage to the fuel injection and ignition system, the following must be noted: |
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| Do not touch or remove the ignition cables with the engine running or idling. |
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| The ignition must be switched off before connecting or disconnecting injection or ignition system wiring or tester cables. |
Caution | When doing any repair work, especially in the engine compartment, pay attention to the following due to the cramped conditions: |
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| All the various lines (e.g. fuel, hydraulic system, active carbon filter system, coolant, refrigerant, brake fluid and vacuum pipes and hoses) and electrical wiring must be installed in their original positions. |
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| To prevent damaging the hoses, ensure that all mobile or hot components are easily accessible. |
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| If in the test drives it is necessary to use the tester units, take note of the following: |
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| Testers and measuring instruments must always be secured to the rear seat and operated by a second person from this location. |
| If test and measuring instruments are operated from front passenger's seat and the vehicle is involved in an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the airbag is triggered. |
| If the engine is to be turned at starter speed without starting: |
Note | When removing the fuses, the power supply of the injectors and the ignition coils is interrupted. |
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| After deleting the fault memory, the conformance code must be generated. |
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