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Old Sep 19, 2020 | 05:56 PM
  #1  
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Big-1
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AC Problem

Okay guys, I need some help. I have a 2007 F350 King Ranch that has about 265,000 miles on it and I am having a few AC issues. I had some of the vacuum hoses replaced due to the fact that they were old and cracked. I am having 2 issues. (1) I am getting fogging on the lower windshield like it is wanting to defrost when it is very humid out there. Once I was having the issue and had to have some unrelated work done and everything reset and it did great for a year or two. That is one. Number 2, I don't know if a sensor is worn out or what, but I have to put it on 60 to really get the air kicked in. It would be 85 outside and if I put the temp on 65, it still puts out a little heat and then I have to put it on 60 and things start cooling. It's like I need to change the sensor or something that tells the outside temp the the computer or something. Does anybody have any ideas?

Thank you,

 
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Old Sep 19, 2020 | 06:27 PM
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i’ve had fog build up on the windshield when it’s real humid out; always felt that was normal. sometimes have to turn on the wipers for quick clearing

to get it to cool down quickly, I put it on “recirc” so that i’m not constantly trying to cool down the hit exterior air. seems to work pretty good.

 
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Old Sep 20, 2020 | 10:23 AM
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Originally Posted by Big-1
I have to put it on 60 to really get the air kicked in. It would be 85 outside and if I put the temp on 65, it still puts out a little heat and then I have to put it on 60 and things start cooling. It's like I need to change the sensor or something that tells the outside temp the the computer or something. Does anybody have any ideas?
Run the EATC self test/recalibration.
https://www.thedieselstop.com/thread...ycling.393130/
 
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