Penalties for using accessories?
Are these "true" mpg penalties?
According to Ford, the use of accessories carries these mpg "penalties:"
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Re: Penalties for using accessories?
Yes. And using the A/C in town at slower speeds ( 25 MPh ) you loose about 5 or 6 MPG.
All the power for everything must come from fuel, after all. :lightbulb |
Re: Penalties for using accessories?
I am SHOCKED that the radio takes off almost a MPG. Really no need for that with todays amplifier technology. There is no way that I will drive around with out the tunes on but that is a little messed up. I mean heck the AC is only using a little bit more then the radio? I am going to have to figure out if I can get better speakers in this thing cuz the tunes sound like doo doo.
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Re: Penalties for using accessories?
I really doubt that the radio MPG figure is accurate. One could measure the amperage draw to double check, but I know a radio will play off a couple of AA batteries. Sure can't run an AC off that!
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Re: Penalties for using accessories?
According to Ford
Radio = .1mpg |
Re: Penalties for using accessories?
Originally Posted by Audiofn
(Post 168842)
I am SHOCKED that the radio takes off almost a MPG. Really no need for that with todays amplifier technology. There is no way that I will drive around with out the tunes on but that is a little messed up. I mean heck the AC is only using a little bit more then the radio? I am going to have to figure out if I can get better speakers in this thing cuz the tunes sound like doo doo.
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Re: Penalties for using accessories?
I was at the Dearbon Event in October 2005 and here is what I had written down:
1. A/C on full time in the city equals a 40% loss! At a highway speed A/C = a 10% loss. 2. Expect 25% lower MPG in winter ( all winters are not created equal, of course ) 3. Radio drops you 0.1 MPG, Rear Defrost 0.8 MPG, Headlights 0.9 MPG, and Fan on High, no A/C drops you 1.3 MPG 4. Every 300 pound increase in weight drops FE by 1 MPG. 5. Windows down gives better MPG than A/C use at all speeds. 6. 1.4 mpg loss if tire pressures are 10psi low. *Note: Figures are for 2005 model year. Models in 2006 and 2007 should be the same. 2008??? |
Re: Penalties for using accessories?
I live in phx az, and run the AC quite extensively. I use the maxAC setting that allows ICE shutdown, and I think I would notice a 40% hit. I consistantly stay around 35.2 to 35.5 MPG. (Unless the 40% is AC continuous?)
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Re: Penalties for using accessories?
We have a mis-match of terms.
Max AC is one of the red positions, and that runs the A/C constantly. A white setting is non-max ( called "econ" in other cars ) and allows the engine to go off. With no EV and no idle stop at lights, you will see close to 40% lower MPG, depending of course on how many minutes a day you spend at stoplights. |
Re: Penalties for using accessories?
I also would contest 5-6 mpg at city driving UNLESS you mean on max with the ice running all the time.
Living in FL, my wife drives 99% city (local). her avg is consistantly 35-36 in the summer months with the ac on (econ mode) and 36-37 during the months it is not needed. Since we have owned the truck we have not seen any condition alter the mpg by 5-6. DISCLAIMER: This is what WE have experienced, YOUR experiences may differ. 08FEH |
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