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Power Strokes
6.7 Tech
2015 HVAC Issues
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[QUOTE="Holdpoint, post: 1473955, member: 28032"] Let's see if I can describe this properly without sounding completely ignorant.....Now that it's gotten hot and humid outside I've noticed a few oddities with my AC in my F250 Platinum. A couple of static facts; I typically remote-start the truck and I typically leave it on auto-ac. Lately what I've noticed is that when I get in after remote-start the auto ac function doesn't work. You can turn it down to 60 and the fan speed will stay the same. Now if you turn max AC on then blower motor kicks up and away it goes. If you go back to auto it's almost like it returns the fan to the lowest possible speed. Now if you leave it on max AC for several minutes while you're driving and then hit the auto ac button there's a pretty good chance the auto ac function will work properly and the fan speed will modulate with the temp change requested. More often than not if I don't remote-start the truck then the auto-ac function seems to work as it should. I've also noticed that even on max ac it feels like the compressor is kicking on and off (i.e. it will be ice cold then you feel the humidity then back to ice cold). It's almost like it's short cycling but its not. The only thing for certain I've come up with is: -the auto-ac function does not work properly 100% of the time -max AC will always work -it appears to be more common when the truck is remote-started and it is hot outside although the hot outside is probably just my perception I'm assuming since AC works system is charged correctly, blower motor appears to function, vent controls work. It's an electric gremlin I'm guessing which could be very easy to fix or a PITA. Has anyone else experienced this issue? [/QUOTE]
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