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A friend of a friend was saying that it's possible to flash eco mode to insight specs in a Z to increase mpgs. I searched for an hour looking to get more information on this. Is it snake oil? Or is it possible?

TIA for any information.
 

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Ummmm what? No probably not. You have a decade of evolution between first gen insight and CR-Z. Also about 1200lbs more fluff in a CR-Z. It will never touch the first gen Insight for fuel economy.

Also you are asking for a purpose built 3 cylinder tune to be applied to a 4 cylinder out of a Honda Fit. Not going to happen. There is so much more at play than just a tune.
 

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The whole reason the 1st gen Insight was able to achieve such amazing MPG was its ability to go into lean burn mode as well as its lightweight aluminum frame. The CRZ does not have a lean burn mode since it increases carbon emissions output. it also has a much heavier frame then the 1st gen insight.
 

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The whole concept of mixing older programming with a newer car is just crazy(or a newer ECU with an older car). Next your source will tell you to dump the electronics and go back to a carburetor:LOL:. So many people have no understanding of how all of this works and expect to be able to make things just work the way they expect them to with minor changes and no facts to back it up. There is so much just plain wrong information out there.

You want more fuel economy? Take all the junk you have loaded the car up with out, change the air filter and do any maintenance you have not done. Then repair anything that the car has alerted you to via code. One member mentioned an increase of MPG by replacing the injectors and having the valves adjusted. The main thing is as Koala Yummies stated is use less of your right pedal.

You can increase MPG without programming: ease off the right pedal.
 

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At least this is a different brand of snake oil thsn the usual. But it's still snake oil.
The car is a nicely balanced package just the way it is, there are no magic bullets to make it better. If Honda could have made it a 60-mpg car instead of a 40-mpg one, without compromises and at the same price point, I'm sure they would have.
 
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