Flex AWD V6-3.5L (2009)
6. Connect the battery ground cable.
7. NOTE: Carry out a Key ON Engine OFF (KOEO) visual inspection for fuel leaks prior to completing the fuel system pressure test.
NOTE: After completing the fuel system pressure test, open the drain valve and release any residual fuel into a suitable container prior to
removing the Fuel Pressure Test Kit and the Fuel Pressure Test Adapter.
Test the fuel system pressure to make sure it is within the specified range. For additional information, refer to Specifications.