90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
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Fuel Pressure Regulator: Specifications
SYSTEM OPERATING PRESSURE
Pressure regulator vac. hose disconnected ........................................................................................................................... 58 - 62 psi (4.0 - 4.3 bar)
Vac. hose connected & 18" - 20" Hg vacuum ...................................................................................................................... 49 - 54 psi (3.3 - 3.8 bar)
SYSTEM REST PRESSURE ...................................................................................................................................................... 43 psi (3.0 bar) minimum
