LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 1998 >> Cabriolet >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications >> Fuel System >> Fuel Pump
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump

FUEL PRESSURE SPECIFICATIONS

Function Specification
System Pressure
With Engine Idling (1) 50 psi (3.5 bar)
With Engine Idling (2) 58 psi (4 bar)
Residual Pressure (3) 36 psi (2.5 bar)
(1) With fuel pressure regulator vacuum hose connected.
(2) With fuel pressure regulator vacuum hose disconnected.
(3) After 10 minutes.
FUEL PRESSURE SPECIFICATIONS

Function Specification
System Pressure
With Engine Idling (1) 55-61 psi (4.0-4.2 bar)
With Engine Idling (2) 48-54 psi (3.3-3.7 bar)
Residual Pressure
Cold Engine (3) 32 psi (2.2 bar)
Warm Engine (3) 44 psi (3.0 bar)
(1) With fuel pressure regulator vacuum hose disconnected.
(2) With fuel pressure regulator vacuum hose connected.
(3) After 10 minutes.