audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure|System Diagnosis > < Knock Sensor|Testing and Inspection|Page 6911
Page 1
background image

Fuel Pressure: Specifications

Fuel Pressure

At idle speed ..................................................................................................................................................................  Approx. 3.5 bar positive pressure
Vacuum hose disconnected from fuel pressure regulator ..............................................................................................  Approx. 4.0 bar positive pressure
Reconnect hose, turn ignition Off. After 10 minutes there must be a residual pressure of at least 2.5 bar.

Fuel Pressure|System Diagnosis > < Knock Sensor|Testing and Inspection|Page 6911