Audi Workshop Service and Repair Manuals

Fuel Pressure: Specifications
Pressure

Fuel Pressure at idle speed

Vacuum hose connected...........................................................................................................................................................3.2 to 3.8 bar positive pressure
Vacuum hose disconnected......................................................................................................................................................3.8 to 4.2 bar positive pressure

Residual Pressure after 10 minutes

Engine cold.......................................................................................................................................................................................................approx. 2.2 bar
Engine warm.....................................................................................................................................................................................................approx. 3.0 bar