Bill560 Posted June 26, 2006 Share Posted June 26, 2006 My 95 has some AC problems. I get a code 21 for starters. Now the problem! Sometimes it is nice and cold and working correctly! Other times it works for about ten minutes and then starts blowing warm to hot air! The 21 code is for the Solar Sensor on the dash! Has anyone had this go bad? I have had the system evac'ed and refilled twice and no leaks were found! Thanks Quote Link to comment Share on other sites More sharing options...
SKperformance Posted June 26, 2006 Share Posted June 26, 2006 The solar sensor only controls the flow of air to vents or floor not temp. It is not registering any code if you get 21 . It is too dark when you checked it so the sensor shows up Quote Link to comment Share on other sites More sharing options...
Bill560 Posted June 26, 2006 Author Share Posted June 26, 2006 The solar sensor only controls the flow of air to vents or floor not temp. It is not registering any code if you get 21 . It is too dark when you checked it so the sensor shows up Ok, the air blows good from all the vents in the different modes! Any other suggestions? Thanks Quote Link to comment Share on other sites More sharing options...
SKperformance Posted June 26, 2006 Share Posted June 26, 2006 search expansion valve Quote Link to comment Share on other sites More sharing options...
steviej Posted June 27, 2006 Share Posted June 27, 2006 agreed, the expansion valve is going. common problem on early model ES's. steviej Quote Link to comment Share on other sites More sharing options...
Bill560 Posted June 27, 2006 Author Share Posted June 27, 2006 agreed, the expansion valve is going. common problem on early model ES's. steviej Thanks, the both of you! I looked it up and it seems like a FUN job to do! Quote Link to comment Share on other sites More sharing options...
cd92014 Posted April 13, 2007 Share Posted April 13, 2007 agreed, the expansion valve is going.common problem on early model ES's. steviej How about later models? I'm having the same problems on my 02 ES300 with 93,000 miles. Thanks Quote Link to comment Share on other sites More sharing options...
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