Fuel Pump

WARNING: This page is about a different car, the 2000 Volkswagen EuroVan and 1999 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.

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

FUEL PUMP PERFORMANCE

Application

Pressure psi (bar)

Volume In 30 Seconds.

Residual Pressure psi (bar)

EuroVan

44 (3.0)

⁽¹⁾

⁽²⁾ 29 (2.0)

⁽¹⁾

Volume is dependent upon battery voltage and should be checked with battery fully charged. Battery voltage must be monitored when checking the volume. Voltage at fuel pump with engine not running and fuel pump operating is approximately 2 volts less than battery voltage. Volume should vary with battery voltage. See Fig 1 .

⁽²⁾	Residual pressure is measured 10 minutes after engine or fuel pump is shut off.

Fig 1: Determining Fuel Pump Volume (EuroVan)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

REGULATED FUEL PRESSURE

Application

At Idle W/ Vacuum psi (bar)

⁽¹⁾ At Idle W/O Vacuum psi (bar)

EuroVan

36 (2.5)

44 (3.0)

⁽¹⁾	Check with vacuum hose disconnected from fuel pressure regulator.