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  #889  
Old 12-12-2013, 08:47 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Thanks for the replies. It seems that I am not the only one with this problem. I have a call into my dealers service manager. He can't find any TSBs or similar fixes so he is calling his engineer to look for an answer. I will post if I find out a solution. If he cant find a listed solution, I will likely take it in anyway to make sure that I don't have a bad or disconnected sensor.
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  #890  
Old 12-12-2013, 09:59 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

My hvac has been flawless, much better than my previous car's auto climate control wasn't nearly as good.

Definitely sounds like something is wrong.
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  #891  
Old 12-12-2013, 10:24 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by thebc2 View Post
My hvac has been flawless, much better than my previous car's auto climate control wasn't nearly as good.

Definitely sounds like something is wrong.
Were you an early or a later build?
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  #892  
Old 12-12-2013, 10:35 PM
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Quote:
Originally Posted by Vtail View Post
Not towing anything, just short trips in cold weather. My wife's Jetta TDI is the same - cold temps really affect the mpgs. This was to be expected, but hoped it would not drop this much. I think Shannon said he was getting 17.9mpg in the cold weather. My current EVIC is displaying 18.3mpg on the current tank.
I have had a week of -22f and I am only getting 18mpg. Still loving it, fuel economy was only a small reason to go diesel.
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  #893  
Old 12-13-2013, 01:32 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by kaziii View Post
Were you an early or a later build?
Earlier build.
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  #894  
Old 12-13-2013, 01:37 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Mine was built 28 Sept. and the Auto function is working just fine. The vehicle warms up quickly and stabilizes at the temp. I have set.
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  #895  
Old 12-13-2013, 09:19 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Unfortunately, those of us running the gasoline versions also experience the mileage drop...about 2mpg for me in general, rural driving from about 16 in warmer times down to 14 presently. But my next JGC will be the diesel for sure!
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  #896  
Old 12-13-2013, 11:37 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

I'm looking to get my car cleaned up after all the snow/salt/chemicals from the last week. I ran into this during my search. Is the new car package something useful or just a waste of money? Any opinions would be appreciated.
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  #897  
Old 12-13-2013, 12:36 PM
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Quote:
Originally Posted by thebc2 View Post
My hvac has been flawless, much better than my previous car's auto climate control wasn't nearly as good. Definitely sounds like something is wrong.
ditto. Here in MN mine has worked great. In fact, I used to have my temp set around 72 - 74, in the SFU I set it to 68 as the heat seems more efficient.
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  #898  
Old 12-13-2013, 01:22 PM
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Just a couple more fuel economy things:
1. Here is a good link with info comparing cetane ratings between brands and some other economy tips - http://forums.tdiclub.com/showthread.php?t=200694
2. Postings on some non-JG forums and our own Shannon claim better milage with Kwik Trip diesel. This is a regional (IA, MN, WI) franchise. I called them and asked them the cetane rating. He said he'd call me right back, and he did. Bob said, "We have the best diesel fuel known to mankind and bananas for 39 cents per pound. I'll be watching for your diesel GC at our pumps." What a salesman. If I remember correctly, they use a 80% #2 and 20% #1 blend and add their own "gold" additives to the fuel. He said cetane was 42-45, which is a little above the typical 40 at many stations (Holiday, Pilot, FlyingJ, etc). Unfortunately, many of the higher cetane fuels are only available regionally.

Please post your experience with different fuels.
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  #899  
Old 12-14-2013, 10:29 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

My local diesel is 40 cetane and I am down to 1/4 tank. So far averaging 24 MPG (70% travel at 60 MPH with outside 0-20F). Going to fill up today (still have 175 miles to Empty but habit) and I am going to add my diesel additive. I will keep everyone up to date if it actually helps MPGs as it is supposed to boost cetane rating. (I am doing it for the low temp benefits)
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Old 12-14-2013, 10:34 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

An FYI for those like me that seldom leave the diesel section... there is an update to uconnect.
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