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-   -   WK2 3.6 l V6 Decrease in mpg. (http://www.jeepgarage.org/f108/wk2-3-6-l-v6-decrease-in-mpg-32944.html)

Jimbo 12-22-2011 01:23 PM

WK2 3.6 l V6 Decrease in mpg.
 
I got my WK2 with a 3.6 L V6 engine at the end of September. I noticed that my mpg has decreased by 2 mpg at the end of November and in December. I was wondering if anyone else has seen this observation. I drive in Northern California.

nek121328 12-22-2011 01:49 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
My 5.7L is experiencing the same thing in Northern New England.

GR33N D3M0N 12-22-2011 01:57 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
I'm not from up north, but from what i hear, in the winter they use a different blend of gas, and the MPG is usually lower than the spring/summer/fall blend

BHHJEEP 12-22-2011 02:04 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
It is because of winter gas. Happens every year.

ajs800 12-22-2011 03:28 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
yup, it's the winter gas. All of my vehicles within the past 8yrs have done the same. I couldn't ever do better then 17/18mpg with our tahoe from nov-feb, but come march it would shoot back up near 20mpg (hwy)

johhn14 12-22-2011 03:30 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
I'll agree with that. I am in the Boston area and have similar results. Just the blend of fuel.

AAAA 12-22-2011 03:57 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
Same here.

Sparro 12-22-2011 04:08 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
Happens here too.

RageOfFury 12-22-2011 04:35 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
Yup same here!

Jimbo 12-22-2011 04:39 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
What is in winter gasoline to cause a decrease in mpg?

AAAA 12-22-2011 04:55 PM

Re: WK2 3.6 l V6 Decrease in mpg.
 
Quote:

Originally Posted by Jimbo (Post 538838)
What is in winter gasoline to cause a decrease in mpg?

Alcohol.

rangersplash85 12-22-2011 04:58 PM

Quote:

Originally Posted by Jimbo (Post 538838)
What is in winter gasoline to cause a decrease in mpg?

It is just a different blend. The high temperatures of summer require a higher quality fuel for emissions purposes and with the colder temps with winter we get a fuel that isn't as "potent" as the summer blends. Generally they'll increase the ethanol content.

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