Where is the fuel regulator on a 2003 Hyundai Accent?

The fuel regulator on a 2003 Hyundai Accent is typically located on the fuel rail, which is mounted on the engine. To access it, you may need to remove the engine cover and possibly some other components depending on the specific engine layout. The regulator is a small cylindrical component that is connected to the fuel line and has a vacuum line attached to it. Always ensure the engine is off and has cooled down before attempting any repairs.