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Fuel Pump

NOTE: Fuel pump performance measures fuel pressure and volume availability, not regulated fuel pressure.
FUEL PUMP PERFORMANCE

Application Pressure psi (kg/cm2 ) Min. Vol. In 30 Sec. Pts. (L)
Corrado SLC (1) 58 (4.0) 1.0-1.4 (0.5-0.7)
EuroVan (1) 43 (3.0) 1.0-1.4 (0.5-0.7)
Passat (1) 58 (4.0) 1.0-1.4 (0.5-0.7)
(1) Using Adapter Cable (VAG 1348/3-2) between battery positive terminal and terminal No. 4 of fuel pump relay socket. Fuel pump energized, with 10-12 volts at fuel pump, and engine off.
REGULATED FUEL PRESSURE

Application At Idle W/ Vacuum psi (kg/cm2 ) At Idle W/O Vacuum (1) psi (kg/cm2 )
Corrado SLC 50 (3.5) 58 (4.0)
EuroVan 36 (2.5) 43 (3.0)
Passat 50 (3.5) 58 (4.0)
(1) With vacuum hose disconnected from fuel pressure regulator.