Fuel Pump

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

FUEL PUMP PERFORMANCE

Application

psi (kg/cm(² )

Min. Vol. In 30 Sec: Pts. (L)

2.8L ⁽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.

FUEL PRESSURE SPECIFICATIONS (2.8L VR6)

Function

psi (bar)

System Pressure

With Engine Idling ⁽¹⁾

36 (2.5)

With Engine Idling ⁽²⁾

43 (3)

Residual Pressure⁽³⁾

29 (2)

⁽¹⁾	With fuel pressure regulator vacuum hose connected.

⁽²⁾	With fuel pressure regulator vacuum hose disconnected.

⁽³⁾	After 10 minutes.