Unfortunately, the 2002 es300 was the first year that Lexus did not use a IACV in the ES300.
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1995-2002 requires Premium Unleaded. 2003 requires Regular Unleaded.
The ownners manual does detail the process...do you have it?
UNDER DASH BEHIND GLOVEBOX. TWO BOLTS TO REMOVE. MADE BY PIONEER.
show where the AC relay box is located under the hood picyuer
should be on top of valve cover This picture will help you find the PCV valve http://www.clublexus.com/forums/es300-and-es330-forum/418700-2001-lexus-es300-pcv-where-is-it.html What you really need to know is that if your engine has been desludged the L shaped plastic PCV valve would have been replaced with the metallic, straight screw in PCV valve first introduced in 2002.
under the intake manifold on the 2.0 twin cam,you can see it from the driver side under the intake
remove the air box and the battery. the starter is held by 2 14mm bolts. the main power line is connected by a 12mm nut. there is a 1 wire connector to the solenoid.
Lexus GX was created in 2002.
Test Drive - 2002 Lexus GS 450H was released on: USA: 2005
Test Drive - 2002 Lexus ISF was released on: USA: 5 April 2008
Test Drive - 2002 Lexus LS460 was released on: USA: 22 January 2007