Where is the mass air flow sensor on 2000 Lexus Rx 300?

The mass air flow (MAF) sensor on a 2000 Lexus RX 300 is located in the air intake system, specifically between the air filter and the throttle body. It is typically housed in a plastic or metal housing and has an electrical connector attached to it. To access it, you'll need to remove the air intake duct that connects to the air filter. Always ensure the engine is off and cool before attempting any maintenance.