retdep Posted March 15, 2006 Share Posted March 15, 2006 Need help in diagnosing a fast idle.When i start the car after its sitting for a a few hours rpms go to 2000 and it takes about 3-4 min to return to 700 rpm. any advise appreciated Quote Link to comment Share on other sites More sharing options...
GS3is4me Posted March 15, 2006 Share Posted March 15, 2006 Need help in diagnosing a fast idle.When i start the car after its sitting for a a few hours rpms go to 2000 and it takes about 3-4 min to return to 700 rpm. any advise appreciated My dads '97 es had the same symptoms a few months ago. He had to have a $120 service performed at firestone. Car has been fine ever since. Quote Link to comment Share on other sites More sharing options...
Toysrme Posted March 15, 2006 Share Posted March 15, 2006 retdep nobody can help you if you don't fill out information about your car GS3is4me that aslso doesn't mean much as you've given nothing about the symthetom, problem & resolution Anyways... It's most likely a coolant sensor problem. Check them both. Otherwise research cleaning the IAC & throttle plate. Quote Link to comment Share on other sites More sharing options...
retdep Posted March 30, 2006 Author Share Posted March 30, 2006 OK, its a 99 es300 with 66,000 mi. It idles at 2000 rpm and it takes about 2 min to get to about 700 rpm. Quote Link to comment Share on other sites More sharing options...
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