Codes for 91 sedan deville

I have a 91cadillac sedan Seville and am getting these codes E.E.E, E39, E85, E we and .7.0 I cleared the codes and so far the only one that came back is the E85 and the .7.0. Can someone please tell me what these codes mean. I noticed that when you first start the car it idles high for about 5 seconds then goes back to normal. Please can someone help I don't have a lot of money and would like to know what I'm talking about if I have to take it in so as not to get ripped off.

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