Could be the auto idle control valve, try cleaning before replacing (about $300). Another simpler possibility is the fuel filter,replace this first,
Thermostat is stuck closed.
The brakes :)
if it idles rough too, check your plugs, if not, check your fuel filter.
The Lexus ES 300 is front wheel drive and the Lexus GS 300 is rear wheel drive
It is caused by Bank 2 Sensor 2 oxygen sensor failing.
yes 1mz-fe
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It will cost approximately $2,000 to change the color of a Lexus IS 300.
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I own a 98 Lexus ES 300. I struggled with the same issue. The problem was the EGR Valve. It is an emission part. The total part and installation was around $300.00. It was a little expensive, but it cured the problem and have not had any problems since then. Hope this helps. Mark