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Servicing injection system
Safety precautions
Warning!
The fuel system is pressurized! Before loosening hose connections or opening the test connection, wrap a cloth around the connection. Then release pressure by carefully pulling off the hose or carefully unscrewing sealing plug.
To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted:
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◆ For safety reasons, remove fuse for fuel pump from fuse holder before opening the fuel system; the fuel pump can otherwise be activated by the driver's door contact switch.
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◆ Do not touch or disconnect ignition wiring when the engine is running or being turned at starter speed.
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◆ The ignition must be switched off before connecting or disconnecting injection or ignition system wiring or tester cables.
Warning! When doing any repair work, especially in the engine compartment, pay attention to the following due to the cramped conditions:
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◆ Route all the various lines (e.g. for fuel, hydraulics, activated charcoal filter system, coolant, refrigerant, brake fluid and vacuum pipes and hoses) and electrical wiring so that the original positions are restored.
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◆ Ensure sufficient clearance to all moving or hot components.
Observe following if test and measuring instruments are required during a test drive:
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◆ Test and measuring instruments must be secured to rear seat and operated by a 2nd 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.
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