audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Pressure|Page 5476 > < Knock Sensor|Locations|Page 5470
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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

Pressure|Page 5476 > < Knock Sensor|Locations|Page 5470