Thursday, September 8, 2011
2004 Audi A3 gasoline direct injection and ignition system Workshop Manual
The engine control unit has an on-board diagnostic capacity. Before carrying out repairs and debt to find guilt must be questioned memory. Vacuum hoses and connections must also be checked (unmetered air).
-Fuel hoses in the engine compartment shall be ensured only with spring-type clip. Clamping devices-type or screw-type clips may not be used.
-A voltage of not less than 11.5 v is necessary for the proper operation of the electrical components.
-Do not use sealants containing silicone. Particles of silicone pulled into the engine will not be burned in the engine and will damage the Lambda probe.
-Vehicles are equipped with a crash/fuel containment funds system. This system is designed to reduce the risk of a vehicle fire after a crash by turning off the fuel pump through the fuel pump relay.
Protected bysame time of AUDI AG. AUDI AG does not guarantee the orengine'sliability of the copyright. Copying for systemcommercial purposes, accept in part, any such private start - or also improves the or in whole, is not allowed, unless authoriseding regards to the accuracy of the information in this document. Copyright of AUDI AG. with performance. When the driver's door is opened activates the fuel pump in 2 seconds to build up pressure in the fuel system.
Rules for cleanliness
When you are working on fuel supply/injection system, be careful attention to the following "6 rules":
-Thoroughly clean all the unions and the adjacent areas before the interruption.
-Place the parts that have been removed on a clean surface and cover them, do not use fluffy wiping cloths.
-Carefully cover or seal open components, if the repair cannot be carried out immediately.
-Only install pure components; spare parts should only be unpacked immediately prior to installation. Do not use the parts that have been previously extracted and stored away loose (e.g. in toolboxes, etc.).
-When the system is open: does not work with compressed air. Do not move the vehicle.
Source: https://erwin.audi.com/erwin/audi/files/samples/Reparaturleitfaeden-EN.pdf
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