Audi Workshop Service and Repair Manuals

Fuel Pressure: Specifications

 
SYSTEM OPERATING PRESSURE  ............................................................................................................................................  5.8-6.6 bar (85-97 psi)
SYSTEM REST PRESSURE ......................................................................................................................................................  3.0 bar (44 psi) minimum
DIFFERENTIAL PRESSURE [1] ..................................................................................................................................................  2.4-2.8 bar (35-41 psi)
INJECTOR OPENING PRESSURE ..............................................................................................................................................  4.3-4.6 bar (63-68 psi)
 
[1] Warm engine; Oxygen sensor connected; OXS frequency valve dwell, nominal 42-58% and varying @ idle.