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Old 08-27-2009, 09:37 AM
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brookspw brookspw is offline
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Join Date: Dec 2001
Location: Nashville, TN
Posts: 551
I was thinking that I had a freon pressure issue -- too low, too high, something. But here is what mine does.

1. When it works, it works fine.
2. It typically doesn't work unless I am at 30-40mph for at least a minute or two.
3. However, even on interstate it won't stay on consistently.
4. In the mornings when it is cooler outside it works great, which I would expect. This morning it was about 73* outside and the thermometer in the car showed 38 degrees out of the vent. It worked from the time I started it, with slow stop/start driving all the way through the interstate. Diagnostic showed the evap temp at 31 degrees (!?!).

I'm thinking I have some sort of sensor or switch problem as well.

(On the other hand, freon bar pressure is about 20 when at idle and at about 9-12 when at speed. Which, from the very little I do know, confuses me greatly.)
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