Fuel System Pressure Release: 4Runner
- Remove driver's side rear seat cushion and cover plate on floor panel for access to electrical connector for fuel pump. This is electrical connector for fuel pump and fuel gauge sending unit. Electric fuel pump is located in the fuel tank. Start engine and allow engine to idle until engine stalls. Turn ignition off.
- Disconnect negative battery cable. Place suitable container under fuel line connection. Cover fuel line connection with shop towel. Slowly loosen fuel line connection or disconnect fuel line connection, allowing any fuel pressure to be released. Once fuel pressure is released, fuel system components may be serviced. Reinstall electrical connector for fuel pump and negative battery cable.