Fuel Pressure Release: Accent
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Hyundai XG350, 2003 Hyundai Tiburon, 2003 Hyundai Sonata, 2003 Hyundai Santa Fe, and 2003 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
Locate and remove fuel pump access panel under rear seat. Disconnect fuel pump harness connector. Start engine and allow it to idle. After engine stalls, turn ignition off. Disconnect negative battery cable and reconnect fuel pump harness connector. When repairs are completed and fuel lines are properly secured, reconnect negative battery cable. Locate fuel pump check connector in engine compartment fuse/relay box. See Fig 1. Apply battery voltage at check connector to activate fuel pump. Check for leaks, repair as necessary.