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-   -   ECO mode (http://www.jeepgarage.org/f76/eco-mode-74958.html)

WK2ghazal 05-10-2014 03:19 PM

ECO mode
 
What will happen during ECO mode to the engine. Is some of the cylinders goes off without combustion ? If yes how many?
In pentastar 6 cylinders and in Himi 8 cylinders ?
For Grand cherokee 2011.

silvermax04 05-10-2014 04:17 PM

Re: ECO mode
 
Quote:

Originally Posted by WK2ghazal (Post 1020141)
What will happen during ECO mode to the engine. Is some of the cylinders goes off without combustion ? If yes how many?
In pentastar 6 cylinders and in Himi 8 cylinders ?
For Grand cherokee 2011.

ECO mode changes your shift points to save fuel. The Hemi also has what is called MDS which shuts down 4 of the 8 cylinders in low load conditions. The shutdown cylinders still move mechanically with the engine they are just not burning fuel in them. The MDS can help your fuel economy out a good bit in highway cursing if you are in conditions where you stay in MDS a lot of your trip.

WK2ghazal 05-10-2014 10:13 PM

Thanks for your reply silvermax04
Is that mean pentastar engine with 6 cylinders shut 3 of them during ECO mode and run on 3 cylinders only!!

silvermax04 05-11-2014 08:00 AM

Re: ECO mode
 
Quote:

Originally Posted by WK2ghazal (Post 1020323)
Thanks for your reply silvermax04
Is that mean pentastar engine with 6 cylinders shut 3 of them during ECO mode and run on 3 cylinders only!!

The penastar does not have MDS it does have ECO mode, they are two different things.

Overland4x4 02-04-2015 07:40 PM

Re: ECO mode
 
So what does the Eco mode do


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Overland4x4 02-04-2015 07:41 PM

Re: ECO mode
 
I hav mines off on my overland and da truck still handles the day way if it was on


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clowenthal 02-06-2015 11:47 PM

Re: ECO mode
 
Finally, after 2 years, 2014 JGC can now retain the ECO Mode setting. So if you turn it off, the next time your turn your car on, ECO Mode will stay off. If you want this - check out TSB 21-004-15 !!!!


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