ron32 Posted September 13, 2004 Share Posted September 13, 2004 Just wondering about any hints as to why the temp stays hot on the 300ES at times and works fine other times,any hints? Compressor is running but blowing hot air! Quote Link to comment Share on other sites More sharing options...
SKperformance Posted September 13, 2004 Share Posted September 13, 2004 check the general maintance section for a self diag test Quote Link to comment Share on other sites More sharing options...
CUMan Posted September 13, 2004 Share Posted September 13, 2004 It sounds like you have the all too common problem of a sticking expansion valve. Do a search. This problem has been discussed numerous times. I am not sure that you get a stored error code for this problem. A code was not stored when my 94 ES had the problem. Quote Link to comment Share on other sites More sharing options...
mburnickas Posted September 13, 2004 Share Posted September 13, 2004 I know using my snap-on scanner I can view the coolant temp at any time. Are you going by the dashboard "moron gage"? It could be a faulty sending unit (sensor). I can monitor the coolant tomorrow and tell you what I get.. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted September 14, 2004 Share Posted September 14, 2004 MB he was talking about his A/C not engine being hot . Quote Link to comment Share on other sites More sharing options...
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