showster Posted May 18, 2008 Share Posted May 18, 2008 Just noticed on my wife's 2001 ES 300 when starting, the engine does not throttle up like it should.....takes about 45 seconds to "high idle" What could be the problem? The fix? Vehicle has 112K. Quote Link to comment Share on other sites More sharing options...
Shayan Posted May 21, 2008 Share Posted May 21, 2008 my 92 did the same, clean your mass air flow sensor, and your idle air control valve. lexus is famous for those two. good luck. Quote Link to comment Share on other sites More sharing options...
showster Posted May 24, 2008 Author Share Posted May 24, 2008 Where is the idle control valve? Quote Link to comment Share on other sites More sharing options...
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