Where are the oxygen sensors located on a 2001 Hyundai sonata 2.4?

On a 2001 Hyundai Sonata 2.4, the oxygen sensors are located in two main areas: one is positioned in the exhaust manifold before the catalytic converter (upstream sensor), and the other is located after the catalytic converter (downstream sensor). To access them, you may need to lift the vehicle and remove any necessary components for better visibility and reach. Always ensure the engine is cool before attempting any repairs.