audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 3397 > < Fuel Pressure Regulator|Locations|Page 3392
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Fuel Pressure: Specifications

FUEL TANK SEALING CAP PRESSURE ................................................................................................................................  0.3 - 0.4 bar (5 - 5.8 psi)

SYSTEM OPERATING PRESSURE 

Pressure regulator vac. hose disc. .........................................................................................................................................  3.8 - 4.2 bar (55 - 70 psi)
Vac. connected & 18 - 20" Hg vacuum ................................................................................................................................  3.4 - 3.7 bar (49 - 54 psi)

SYSTEM RESIDUAL PRESSURE 

After 10 minutes
Cold engine ..........................................................................................................................................................................  2.2 bar (32 psi) minimum
Warm engine ........................................................................................................................................................................  3.0 bar (44 psi) minimum

Fuel Pressure|Specifications|Page 3397 > < Fuel Pressure Regulator|Locations|Page 3392