Q7 Quattro V6-3.6L (BHK) (2007)
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Fuel Pressure Release: Service Precautions
Releasing Fuel Pressure on High Pressure Side
‹› The fuel injection system is separated into a high pressure side (max. approximately 120 bar) and a low pressure side (approximately 6 bar).
‹› Before opening high pressure side, 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 5051)
Work procedure
-
Start engine and let run at idle.
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Connect vehicle diagnosis, testing and information system (VAS 5051).
Display on (VAS 5051):
