The underside of the throttle body.
The PCV valve for a 2000 Lexus rx300 is on the passenger side of the engine. It is on the valve cover near the back.
The PCV valve on a 2002 Lexus RX300 is located on the passenger side of the car underneath the hood. The valve will be on the rear valve cover.
Remove the throttle body. Remove the 4 IAC mounting screws. Remove the IAC.
Passenger Side, top of rear valve cover
To replace the PCV valve in a Lexus RX300, first, locate the valve, which is typically found on the valve cover. Disconnect any hoses attached to the PCV valve and remove it from its socket. Install the new PCV valve by pushing it into place and reconnecting the hoses. Finally, ensure everything is secure and check for any leaks after starting the engine.
Passenger side of engine on the rear valve cover.
My Lexus dealer in Tucson AZ quoted me $712.00.
To replace the EGR valve in a 2001 Lexus RX300, first, disconnect the negative battery cable and remove any components obstructing access to the EGR valve. Disconnect the electrical connector and vacuum lines from the valve, then unbolt it from the intake manifold. Install the new EGR valve, reattach the vacuum lines and electrical connector, and finally, reconnect the battery cable before starting the engine to check for proper operation. Always ensure to clear any diagnostic trouble codes if applicable.
On a 2002 Lexus RX300, the PCV (Positive Crankcase Ventilation) valve is located on the engine's valve cover. Specifically, it can be found on the driver's side, near the rear of the engine. You may need to remove the engine cover to access it easily. Be sure to check the valve and its hose for any signs of wear or blockages.
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