Q7 Quattro V6-3.6L (BHK) (2007)
Fuel Pressure Release: Service and Repair
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 the high pressure side, the 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
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Connect vehicle diagnosis, testing and information system (VAS 5051B).
Display on (VAS 5051B):