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Discussion Starter #1
ok I own a 2000 SEL and I've been noticing horrible fuel milage for awhile now. Anyway, I drove to Toronto from where I live. I filled it up right before I left and when I arrived in Toronto (350Km) I filled up again and in costed me $33.00CAN. I was driving really slow.Then the next day I drove straight back doing crazy speeds on the 401( I was WOT many times) and filled up when I got home and it costs $22.00CAN and gas was more expensive! I only burned half a tank! What the heck? It doesn't make any sense! Usually it burns sooo much! Anybody have any ideas? What could this be? Does anybody have horrible millage on a gen4?
 

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Take your KM traveled divided by the amount of liters (it is liters in Canada, right?) it took to fill it and you should have your KM per liter. We go by MPG here and mine is 16 on all city driving. Highway driving will get you better MPG or KM per liter because there's less stop and go. Judge it by that more than how much it takes money wise.

Coming out of a 4 cylinder I almost cringe when I fill up; but I'm not sure if my Betsy-also is a guzzling fuel or not.

Tina
 

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I have had situations where I've actually gotten better mileage while driving faster than at a slightly slower speed. Mainly, this was on a T-bird I owned years ago. It just seemed like the gearing in the car allowed the engine to really free up (I don't know how else to put it) at highway crusing speeds around 65-70 (and 27mph out of a 305), but at 55 I got horrible mileage.

BTW..as my G3 Vulcan gets older, it's getting better mileage. At 70,000 miles, we got 30mpg during an Alabama to North Carolina run. And this is roughly 67-75 all the way.
 

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Originally posted by OAKLEY2000SEL@Feb 24 2004, 03:00 PM
ok I own a 2000 SEL and I've been noticing horrible fuel milage for awhile now. Anyway, I drove to Toronto from where I live. I filled it up right before I left and when I arrived in Toronto (350Km) I filled up again and in costed me $33.00CAN. I was driving really slow.Then the next day I drove straight back doing crazy speeds on the 401( I was WOT many times) and filled up when I got home and it costs $22.00CAN and gas was more expensive! I only burned half a tank! What the heck? It doesn't make any sense! Usually it burns sooo much! Anybody have any ideas? What could this be? Does anybody have horrible millage on a gen4?
Yup, I am in the same boat as you.

I dunno what the gas mileage thing is ABOOT, but I get horrible horrible mileage.

I change my air filter and fuel filter regularly, and the PCV is gonna be changed soon, as well as a tune up when I hit 60K.

Hopefully that fixes things.

-Damon
 

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Discussion Starter #5
I think I may have figured out my problem! When I went to Toronto is was snowing and crappy out so I had my front defrost on the whole time. On the way back it was nice out so I did NOT have it on. I read in my manual that the a/c compressor comes on in every position but floor and vent. Which means when I am driving my car with the defrost on ALL THE TIME I am getting bad millage because of the a/c. Make sense???
 

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Originally posted by OAKLEY2000SEL@Feb 26 2004, 09:23 AM
I think I may have figured out my problem! When I went to Toronto is was snowing and crappy out so I had my front defrost on the whole time. On the way back it was nice out so I did NOT have it on. I read in my manual that the a/c compressor comes on in every position but floor and vent. Which means when I am driving my car with the defrost on ALL THE TIME I am getting bad millage because of the a/c. Make sense???
Why would the compressor turn for defrost? Wasn't it blowing hot air on the windshield? One way to find out is turn on the defrost again, and pop the hood. Just look down and see if the compressor is engaged.

Also, because of aerodynamics and drag, you get better mileage at highway speeds with the windows up and a/c on than you do with windows down and a/c off.
 

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Discussion Starter #7
In all new fords the compressor does engage even though it's blowing hot air. It engages in every position except for floor and vent. It says it right in the manual.
 
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From what I've heard, the compressor comes on to remove the humidity from the air to keep the window from fogging when the heat blows on it. It would probably fog worse if the compressor didn't remove the humidity from the air.
 

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Discussion Starter #9
Originally posted by jason8225@Feb 26 2004, 10:32 AM
From what I've heard, the compressor comes on to remove the humidity from the air to keep the window from fogging when the heat blows on it. It would probably fog worse if the compressor didn't remove the humidity from the air.
Exactly what I was getting at! Thanks jason8225.
 
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