Capacity (Volume) Test
- Relieve fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL PRESSURE . Disconnect fuel line on fuel rail. Place fuel line into a graduated container.
- Remove fuel pump relay (located in power distribution center). Using a jumper wire, connect terminals No. 30 and 87. See Figure . Volume of fuel should be one pint. (.47L) in 30 seconds. If fuel volume is not as specified, check for a plugged fuel filter or fuel pump inlet sock.