A8 Quattro Sedan V8-4.2L (BVJ) (2008)
/Page-3669001.png)
Fuel Gauge Sender: Service Precautions
Before Opening High Pressure Fuel Injection System
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 a component in the fuel injection system high pressure area is remove, the fuel pressure must be definitely reduced to a residual pressure of
approximately 6 bar, as described in the following.
Special tools, testers and auxiliary items required
‹› Vehicle Diagnostic, Testing, and Information System (VAS 5051B)
Procedure
-
Start engine and run at idle speed.
-
Connect Vehicle Diagnostic, Testing, and Information System (VAS 5051B).
Display on (VAS 5051B):
