A4 Sedan V6-3.2L (BKH) (2007)
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Fuel Gauge Sender: Service Precautions
Before Opening High Pressure Fuel Injection System
‹› The fuel injection system is separated into a high-pressure section (max. approximately 120 bar) and a low-pressure section (approximately 6 bar).
‹› Before opening high pressure area, fuel pressure must be reduced to a residual pressure of approximately 6 bar. The procedure for this is as
follows.
Special tools, testers and auxiliary items required
‹› Vehicle diagnostic, testing, and information system (VAS 5051B)
Procedure
Proceed as follows:
-
Connect vehicle diagnosis, testing and information system (VAS 5051B) while ignition is switched off.
Display on (VAS 5051B):
