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Old 05-09-2011, 07:17 AM   #11 (permalink)
MechEngVT
Mechanical Engineer
 
Join Date: Jun 2008
Location: Richmond, VA
Posts: 190

The Truck - '02 Dodge Ram 1500 SLT Sport
90 day: 13.32 mpg (US)

The Van 2 - '06 Honda Odyssey EX
90 day: 20.56 mpg (US)

GoKart - '14 Hyundai Elantra GT base 6MT
90 day: 29.99 mpg (US)

Godzilla - '21 Ford F350 XL
90 day: 8.69 mpg (US)
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littledog: sounds like you have the automatic climate control. I'm not sure why, but its preference is to run the compressor all the time in full auto mode. I guess it's because dry air is easier to change to the correct temperature, plus on cold starts the extra load of the compressor causes the engine to warm up a bit faster because of the extra fuel burned and the condenser will deliver warm air to the radiator.


If you push the "AC" button it will toggle between AC ON and AC OFF. The AC OFF position will stop the compressor from running. Then you can change the temperature setting and/or vent position as you desire without it kicking on the compressor. If you still have it automatically seek a temperature and vent position on its own the display will read "AUTO" instead of "FULL AUTO" as it would if you hadn't engaged AC OFF.

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