Where is the bank 1 sensor 1 on a 2004 solara 3.3 engine?

On a 2004 Toyota Solara with a 3.3-liter engine, Bank 1 Sensor 1 is located on the driver's side of the engine, before the catalytic converter. It is an oxygen sensor that measures the amount of oxygen in the exhaust gases and is typically found on the exhaust manifold. To access it, you may need to lift the vehicle and work from underneath or access it from the top of the engine.