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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
Passenger side of engine on the rear valve cover.
My Lexus dealer in Tucson AZ quoted me $712.00.
How to replace the tire pressure valve on lexus rx 350?
How do you replace evpansion valve on 99 gs 300
by oil pan
The PCV valve is located on the passenger side rear valve cover. Simply pull it out then pinch the clamp to release the valve. I would recommend replacing the PCV valve grommet while you're in there, they get hard and brittle and can break into pieces that fall inside the engine.
Remove the heater control valve and replace it.