Where to find knock sensors on a 1999 Lexus rx300?

On a 1999 Lexus RX300, the knock sensors are located on the engine block, specifically underneath the intake manifold. To access them, you'll typically need to remove the intake manifold, as they are positioned on the sides of the engine, near the cylinder heads. It's advisable to consult a repair manual for detailed instructions, as the process can be complex.