Fuel Pump Test

Remove fuel pump relay from fuse/relay block. Ensure Fuel Pump Tester (US 4480/3) is turned off and insert in place of relay. See Fig 1 Remove fuel tank cap. Remove rear seat and cover.
Disconnect and plug fuel supply hose. Attach a hose to fuel pump and place other end of hose in a graduated container. Turn tester on for 10 seconds. Compare volume with specifications.

Fig 1: Fuel Pump Testing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

FUEL PUMP PERFORMANCE

Pressure: psi (kg/cm² ) ⁽¹⁾

Volume in 30 seconds: Pints (Liters)

75-82 (5.3-5.8)

6.6 (.7)

⁽¹⁾	Minimum pressure after 10 minutes is 38 psi (2.6 bar).