Quote:
Originally Posted by Mr_ET
A/C will reduce gas millage on a small engine like the Fit's. It uses some of the engines power to make the system work so the engine has to work harder to achieve the same performance and therefore MPG's go down.
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the motor isn't working any harder than it is when the a/c system is not running, its still turning the pulley no matter what, the only difference is that the compressor is powered on electrically.
so if you would truely like to save on gas mileage you're going to have to pull you're entire a/c compressor out of the engine bay, or just disconnect the belt