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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 11-07-2012, 11:40 AM
laan1237 laan1237 is offline
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Default Strange problem need help

I have a 2002 dodge ram 1500 4x4 sport. I have a weird issue. It's winter here in Canada and i use my heater daily. Now I've been getting a weird problem. When I turn on my heater my a/c condenser fan blows too. Now it doesn't affect the heat that blows out but I'm just not sure if this is normal or not. Could this also be why I'm getting bad gas millage 8.5 mpg and dropping? Please help. And i know this proboly isn't the place to post this but when I post in other threads or create my own I never get responses sorry
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Old 11-07-2012, 11:51 AM
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If you're in defrost mode, it's normal because the A/C is running in order to dehumidify the cabin. The effect on your mpg should be negligible.
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Old 11-07-2012, 02:48 PM
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Yea I'm in defrost ok makes sence. And any ideas to my poor gas millage?
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Old 11-08-2012, 04:43 PM
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Are you checking the mileage by what the truck is telling you or are you calculating it yourself? Do you let it warm up long when it's cold? Do you have original size tires and if not is the new size programmed into the PCM? How long has it been since it was tuned up?
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