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I REALLY should have read the owners book. So I am a very aggressive driver and I like the GT I just thought it was lacking in the power department (which it still is) but I just turned ECO off and WOW! I thought it was just how I drive with all the engine breaking, hard jumps to second, and problems downshifting. It is all gone. I could care less about MPG but the car is way more fun to drive, drove about 50 miles and I'm in love. Why haven't I done this sooner!

It is not mentioned in the owner's manual. It only explains ECO on automatic transmission version.
 

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For 2013 Elantra, EPA differences for M/T vs A/T vary with body style, and I suspect country, since Canada rating system and adjustments (fudge factors) are different.

EPA for Sedan shows M/T and A/T the same on all three categories. For the Coupe, M/T is 1 mpg better on all three. For the GT, M/T is 1mpg worse for city, and the same for highway and combined. Prior to the Nov 2 revisions, M/T was also worse for combined.

But real world reports for the GT gave me the impression M/T does better than A/T in city. But not for you, CheckBlueGT, or are you speaking of EPA rating? My real world A/T in town is lower than 27, but EPA city test is closer to commuter roadway than in town.
 

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For 2013 Elantra, EPA differences for M/T vs A/T vary with body style, and I suspect country, since Canada rating system and adjustments (fudge factors) are different.

EPA for Sedan shows M/T and A/T the same on all three categories. For the Coupe, M/T is 1 mpg better on all three. For the GT, M/T is 1mpg worse for city, and the same for highway and combined. Prior to the Nov 2 revisions, M/T was also worse for combined.

But real world reports for the GT gave me the impression M/T does better than A/T in city. But not for you, CheckBlueGT, or are you speaking of EPA rating? My real world A/T in town is lower than 27, but EPA city test is closer to commuter roadway than in town.
I was referring to EPA test. As of today, my MPG computer says 39.1 MPG Average; better than EPA rating.
 

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I turned my ECO off last week. I got better gas mileage and a more fun car to drive. That's what I call win-win.
I turned mine off after a couple of tanks, so I can't definitively say anything about better gas mileage but for those who think the difference in responsiveness is merely a placebo are absolutely mistaken - I can say first hand.
 

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Actually, manual transmission Elantra get worse city MPG than the automatic. CVT doesn't approve fuel mileage.
CVTs do improve fuel mileage in automatics. But some may feel they diminish performance.
 

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I also turned the Eco off. I will never put that thing back on! :D
I got the auto Elantra sedan. What..... on the manual GT, you have to play around with the trip buttons to get in a menu to get out of ECO? Our auto tranny sedans..... just push the ECO button to get out of it. In the auto tranny, getting out of ECO does help somewhat........ but possibly not as much as it seems to make in your manual GT transmission.

Few here are as mpg oriented as me in the auto tranny sedan (39.5 mpg average, 43mpg-high). So I do love the ECO button.

But I know what you mean when you need to go fast. Auto Elantra sedan doesn't even sound good, when you finally reach 3 gears down & get some acceleration. I'll have to push the ECO button(getting out of ECO), use manual mode & try some acceleration.
 

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Thanks for the Info

I just assumed that the manual would not have an echo mode like the auto, but wow, I'm glade I checked your thread thanks. Where did you find that in the car's manual, or just playing while the trip settings, thanks.

I can only imagine how much better the responsiveness of the car will be. That's got to effect fuel mapping and timing, and who knows what else.

Thanks again
 

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Well

Well, I don't know about anecdotal evidence, but I have driven the auto GT, and it makes tremendous difference in how the car's responsiveness is effected by the echo mode when active. It's like and anchor on the back of the car. Why don't YOU run some empirical tests to illuminate us on weather it's anecdotal or not, sport...

I know this much, it will effect the transmission of an automatic, it will effect the fuel mapping of all Elantra GTs, and it will effect the timing of the engine, so it you need objective data run a GTECH and let me now...
 

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Oh I wasnt arguing about ECO on the auto , that info is in the owners manual , as well the hyundai corporate website. Im simply speaking in regards to the manual and eco , which is only a shift indicator ,As its not even called the same thing. There is no "Active Eco" on the manual equipped Elantras, simply the "Eco Indicator".

Quoted right from hyundai
"Hyundai's ingenious Active ECO System modifies engine and automatic transmission control with the push of a button. Hyundai's testing has shown that this feature can improve real-world MPG by up to 7%. Elantra GTs with manual transmissions have a shift indicator that shows the driver the ideal shift points to save fuel and make efficient power."

So there ya have it, its an indicator. Point blank , if you "feel a difference" its in your head.
 

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OK

Well, I did notice today that your right the shift indicators are disabled when the echo is disabled. That I did not see yesterday when I first disabled the echo mode. I wish there was a way to get an definitive answer to this question.

To me it feels that there is not as much of a dead spot with the gas pedal, but it could all be in my head as you stated. Anyway with 148 hp at wheels it's not gonna do that much anyway either way.
 

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Thank you for bringing this to our attention. I always hated the car trying to tell me when to shift. I never paid much attention to it either.

So I went out and did the TRIP/RESET pushes to get this setting turned off. When I got home I decided it was a good time to get the computer to relearn my air intake ratio, since I added a K&N CAI awhile back. The car is already at temperature because I had to test drive after removing ECO mode. I remove the NEG cable from the battery and wait about 5 minutes. I installed the battery NEG cable back on and out for a test drive I go. Then half way out, I notice those irritating numbers start flashing up again. When I removed the NEG cable, it reset the ECO back on.
Remember: Whenever you take off a battery cable, reset your ECO mode to OFF again!
So I pull over and reset it to OFF again and continue the drive.
It does make a huge difference. Thanks for opening my eyes to this one.
 

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Well, I did notice today that your right the shift indicators are disabled when the echo is disabled. That I did not see yesterday when I first disabled the echo mode. I wish there was a way to get an definitive answer to this question.

To me it feels that there is not as much of a dead spot with the gas pedal, but it could all be in my head as you stated. Anyway with 148 hp at wheels it's not gonna do that much anyway either way.
Have you done the DIY to adjust the dead space out of your gas peddle. If not, it really does do the trick.
 

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Removing Neg Terminal

AAAAcent, so did turning off the eco setting make the improvement you know have or was it the combination of turning off the echo mode and removing the negative terminal cable to get the ECU to re-calibrate for the K&N, or do you think over a period of time the ECU would adjust to the air flow???

Thanks for any input.
 

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Adjusting Gas Pedal

Ya, I did do that although I don't know if I moved it enough. The throttle response seems much better weather that's due to the adjustment, the eco off defeated, or a combination of both I'M not sure. I'll probably pull the pedal and see if I can move it a little more in the future. I loosened all for screws on the pedal itself, but it sure did seem to move very much (if at all).
 
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