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| Open end spanner insert, AF 17 -V.A.G 1331/6- |
Caution Risk of malfunctions caused by dirt. |
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| Clean all connections (with commercial cleaning solution or similar) before removing. |
Note t
| Make sure all parts are clean; no dirt must be allowed to enter the fuel system. |
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| Check all cylinders in turn. |
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| Dry all components after cleaning. |
Start with cylinder No. 1. |
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| Unscrew union nut for cylinder 1 on fuel rail. Also loosen union nut on injector slightly. Seal off open connection on injector pipe. |
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| Plug open connection using plug -T40204-. |
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| The electrical connector of the relevant injector must remain connected. |
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| Erase all entries in the event memory. |
Note t
| The entry „positive control deviation“ should no longer be indicated when the defective injector has been located. |
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| Other fault messages may possibly be stored in the memory. These result from previous steps and can be disregarded. |
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| Interrogate event memory after road-testing vehicle. If a fault relating to „positive control deviation“ is still indicated, repeat the above steps for all connections until the fault is no longer indicated after the road test. |
Observe all instructions for connecting injector pipes. |
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| Lubricate threads of union nuts with clean engine oil. |
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| Hand-tighten union nuts on high-pressure pipes. Make sure that connections are not under tension. |
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