okay... something is SERIOUSLY wrong with my MPG
#11
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Did you hit any pot holes that could have put things out of alignment? But even then, a 10 mpg difference would mean that you would probably feel something different in the way it drives.
Another cause - but again, probably not 10 mpg worth - is that the refiners alter the gas formular for the winter.
Or it could be a series of small changes, gas formulation, tire pressure, alignment, temperature, etc. that all contributed to the demise of your fuel economy - but I doubt that scenario.
#12
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And I don't know if it would make the mpg difference. Just speculating. The mpg seems real low, as if dragging a brake or something substantial.
Good luck!
-Gren
#13
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Good if you test some benchmark speed - like what FE are you getting at 60mph with CC on? Other NAH drivers should be able to tell you what is typical at those conditions.
#14
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Is it possible that the car was shifted into B instead of D? I've done that on 2 occasions. Around town it's pretty obvious, but even so, not immediately so. I'm not sure I'd notice at all if I was on the highway.
And I don't know if it would make the mpg difference. Just speculating. The mpg seems real low, as if dragging a brake or something substantial.
Good luck!
-Gren
And I don't know if it would make the mpg difference. Just speculating. The mpg seems real low, as if dragging a brake or something substantial.
Good luck!
-Gren
Last edited by lloyd123; 11-03-2007 at 06:59 AM.
#15
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The engine does stay on all the time in B mode, but the engine would be on all the time on the highway anyways. I don't know what it is, but it "feels" different in B mode, like it's pulling something, like it wants to slow down. Maybe it changes the CVT settings? I'll try to remember to take a ride and see what it does on the highway in B, but it's pouring here today...
-Gren
-Gren
#16
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Here's what's in the Owner's Manual:
Driving with the transmission in the B position for long periods of time may cause a decrease in fuel economy.
B (Brake) low gear:
Driving with the transmission in the B position for long periods of time may cause a decrease in fuel economy.
#17
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"B" uses the ICE for braking rather than regenerative braking. So you don't recover the braking energy and fuel economy will drop. "B" is there for long down grades where the battery has fully charged and the car would otherwise be forced to use the friction (conventional) brakes. Using "B" saves the brake pads.
#19
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I'll try the B theory. I can honestly be a bit unobservant about things... so it is NOT beyond logic that I simply put the car in the wrong gear and then drove 700 miles. ![Smile](https://electricvehicleforums.com/forums/images/smilies/emotikons/smile.gif)
If that doesn't pan out... I'll see what the dealership mechanics can find.
![Smile](https://electricvehicleforums.com/forums/images/smilies/emotikons/smile.gif)
If that doesn't pan out... I'll see what the dealership mechanics can find.
#20
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Marianne,
What has your fuel mileage been doing since you returned from your trip?
Has it continued to be mid 20's or returned to the mid 30's when you're driving around your home turf?
What has your fuel mileage been doing since you returned from your trip?
Has it continued to be mid 20's or returned to the mid 30's when you're driving around your home turf?