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  #949  
Old 12-19-2013, 10:13 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by Jeep99 View Post
As the temp gets below 25ish degrees I seem to get a large amount of a gurgling? noise over 2000 rpm's. I thought it was just me being picky...til the last person who rode with me was wondering what the obnoxious noise was. I then parked in a heated garage today and the noise was gone temporarily. Any ideas? This thing really seems to hate the cold. I still enjoy the truck, but I question my decision trading in the the 2013 Hemi. At least the pano sunroof rattles have been corrected on this one so far. Still can't beat the effortless torque on the highway, but I do question Mopar quality.
Are you sure you're on winter blend? It may be fuel gelling. Does it happen all the time, regardless where you filled up last time or just on the recent tank of diesel?
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  #950  
Old 12-19-2013, 10:47 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by Jeep99 View Post
As the temp gets below 25ish degrees I seem to get a large amount of a gurgling? noise over 2000 rpm's. I thought it was just me being picky...til the last person who rode with me was wondering what the obnoxious noise was. I then parked in a heated garage today and the noise was gone temporarily. Any ideas? This thing really seems to hate the cold. I still enjoy the truck, but I question my decision trading in the the 2013 Hemi. At least the pano sunroof rattles have been corrected on this one so far. Still can't beat the effortless torque on the highway, but I do question Mopar quality.
I have been driving in -15 to -28 for two weeks and have had a few small trips with some rough patches (engine noise is quite a bit louder as well in town) but anything warmer than -4 it has been flawless. I will be trying a few different stations for different fuel. From a few diesel guys out here our Shell and Coop are the best fuel.
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  #951  
Old 12-19-2013, 10:59 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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I find it very odd that if you leave the jeep running, and step out with the FOB, it only alarms inside the car, and only after you close the door. Drove my wife crazy listening to the alarm when I stepped into a convenience store. It should honk outside the Jeep, as I can not hear the inside alarm from outside the car.
Agreed my wife hates it when I go sweep the snow off the Jeep. Guess I have to get the passenger to do it.
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  #952  
Old 12-19-2013, 01:02 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

I have done a few fill-ups now and have found that the EVIC shows better fuel economy than is actual. I am a little perturbed.... I haven't recorded the exact EVIC numbers, but I think it is around 10% higher than actual.
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  #953  
Old 12-19-2013, 01:13 PM
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Originally Posted by mtnmerlin View Post
I have done a few fill-ups now and have found that the EVIC shows better fuel economy than is actual. I am a little perturbed.... I haven't recorded the exact EVIC numbers, but I think it is around 10% higher than actual.
I have the opposite going for me. I just started tracking EVIC vs manual calculated MPG. On my last fill up EVIC on trip A showed 21.6 and hand calculated was 22.34.
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  #954  
Old 12-19-2013, 02:40 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by mazster43 View Post
I have the opposite going for me. I just started tracking EVIC vs manual calculated MPG. On my last fill up EVIC on trip A showed 21.6 and hand calculated was 22.34.
I think it was on this site that I read the EVIC only averages MPG over the last 300 miles. I wonder if this might be why you guys as seeing differences. I'd imagine you could reset and top off at 250 miles or so to test the accuracy of the EVIC.
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  #955  
Old 12-19-2013, 02:47 PM
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Originally Posted by Grandmaster View Post

I think it was on this site that I read the EVIC only averages MPG over the last 300 miles. I wonder if this might be why you guys as seeing differences. I'd imagine you could reset and top off at 250 miles or so to test the accuracy of the EVIC.
When you zero out trip A the mileage also resets. Then it appears to averages from then on. On the fuel economy display (not trip A) where it shows instant and average economy it sends to take an average over the psst miles traveled. On my last tank that display was showing 21.9.
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Old 12-19-2013, 04:45 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by mazster43 View Post
I have the opposite going for me. I just started tracking EVIC vs manual calculated MPG. On my last fill up EVIC on trip A showed 21.6 and hand calculated was 22.34.
Same for me, I manually calculate a higher MPG than what the EVIC shows me. Since the temperature has dropped so has my MPG, however.
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  #957  
Old 12-20-2013, 05:42 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by Grandmaster View Post
I think it was on this site that I read the EVIC only averages MPG over the last 300 miles. I wonder if this might be why you guys as seeing differences. I'd imagine you could reset and top off at 250 miles or so to test the accuracy of the EVIC.
Interesting that others are getting better fuel economy than shown on the EVIC.

For the record, my test distances were 213, 589, and 326 miles. I was watching the EVIC and, as I recall, the value was consistent over each test distance.

Anyway, I have kind of burned my bridge on this. Today, I swapped from the factory 265/60-18 Michelin tires to 265/65-18 Goodyear All-terrain Adventure. The circumference is about 3% larger. I will see how the EVIC matches actual with the new tires. Hopefully, I can get a good measure of the odometer accuracy using GPS and/or highway mile markers.
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  #958  
Old 12-20-2013, 06:31 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Oh, and I wanted to share this. I had my first "it's a diesel" moment.

I pulled up to a pump that was diesel-only. As I was inserting the nozzle into the filler hole the attendant came running out of the building shouting: "Is that a diesel?" Just like in the Audi ads. I said it was, and she said: "Oh, I have never seen a diesel Jeep before." Cool to know that she is paying attention.
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  #959  
Old 12-21-2013, 12:14 AM
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Quote:
Originally Posted by mtnmerlin View Post
Interesting that others are getting better fuel economy than shown on the EVIC. For the record, my test distances were 213, 589, and 326 miles. I was watching the EVIC and, as I recall, the value was consistent over each test distance. Anyway, I have kind of burned my bridge on this. Today, I swapped from the factory 265/60-18 Michelin tires to 265/65-18 Goodyear All-terrain Adventure. The circumference is about 3% larger. I will see how the EVIC matches actual with the new tires. Hopefully, I can get a good measure of the odometer accuracy using GPS and/or highway mile markers.
I'm curious to know how you like those tires. I got them on Monday and like the ride a lot better. Waiting for snow to test the traction.
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  #960  
Old 12-21-2013, 01:29 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

That would be me on the 300 miles question. As of a couple years ago the mileage on the trucks was only calculated out to 300 miles with older mileage being dropped off continuously. It's something Cummins boys have been complaining about since the 3G trucks came out in 03. I don't know if the same is true here and now with this vehicle, It's a question I asked.

Certainly it would be easy enough to tell. Do a tank of highway mileage and you should see somewhere in the upper 20s. Don't reset the average and follow with a tank of city driving and you should see about 24 on the average. If it's low 20s that means miles are being dropped. This is how the Cummins boys tumbled to it and eventually they got an answer from Chrysler over on the TDR, 300.
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