Fuel System Capacity Test

Fig. 9 Installing jumper wire in fuel pump relay connector:

1. Disconnect fuel return line at pressure regulator and place hose in a suitable beaker.
2. Disconnect ECU, then install jumper wire between terminals 3 and 5 of fuel pump relay connector, Fig. 9.
3. Measure and record amount of fuel collected in beaker within one minute.
4. Minimum fuel delivered should be at least 2 quarts within the one minute time frame.





If testing requires removal of any fuel system component, always depressurize fuel system before removal of component.