Cayenne GTS (9PA) V8-4.8L (2008)
Fuel Pressure: Specifications
The fuel holding pressure................................................................................................................................................max. 1 bar (1000 mbar) in one hour.
Nominal pressure...........................................................................................................................................................approx. 5000.0 mbar to 5500.0 mbar.
The fuel low-pressure system operates at a constant pressure.......................................................................................................................................5.5 bar.