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  #829  
Old 12-07-2013, 11:19 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Damnit!! Took a rock to the windshield on the way to the airport this morning... Slight chip/crack.
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  #830  
Old 12-07-2013, 11:49 AM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by Vtail View Post
Is diesel fuel additive really needed? My wife has had her 2009 Jetta TDI for 4 years now in MN, and no problems. Is the CRD different? How do you know which additives are really good and helpful vs those that are just snake oil? I've read that some can even harm the emissions system.
Normally I wouldn't use one but I did a good amount of searching and found some testing data. I did make sure the one I got was safe on urea/DPF systems

The only reason I am considering it is I work shift work and there is nowhere to plug in a engine heater. To pile on top of that, 20 mph winds are basically a daily thing to deal with at work. I have seen -15F to -20F multiple times during the winter so I want to have all the bases covered.

My main target was something to prevent gelling but if it boosts my cetane (mainly an issue with winter blends) then I have no complaints. Ideally it will give me better MPGs but my main target is reliable starting.
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  #831  
Old 12-07-2013, 12:00 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by CNY_WK2 View Post
Normally I wouldn't use one but I did a good amount of searching and found some testing data. I did make sure the one I got was safe on urea/DPF systems

The only reason I am considering it is I work shift work and there is nowhere to plug in a engine heater. To pile on top of that, 20 mph winds are basically a daily thing to deal with at work. I have seen -15F to -20F multiple times during the winter so I want to have all the bases covered.

My main target was something to prevent gelling but if it boosts my cetane (mainly an issue with winter blends) then I have no complaints. Ideally it will give me better MPGs but my main target is reliable starting.
-10 last night, and it started like a charm. Was not plugged in, and no additives.
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  #832  
Old 12-07-2013, 12:29 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

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Originally Posted by Shannon View Post
-10 last night, and it started like a charm. Was not plugged in, and no additives.
Not the case for everyone in your neck of the woods.
-12 rear filter plugged/gelled up , no run - Dodge Cummins Diesel Forum
This is the time of the year when lots of stations have not transitioned fully to winter blends. If you have the misfortune of getting caught in a cold snap with some of this stuff in your tank you may wish you had taken a minute to add a few ounces of insurance. I like CNY's advice.
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  #833  
Old 12-07-2013, 12:42 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Fuel Additive - A Personal Choice

Lots of snake oil and a few good ones out there - most info is on the web.
I have worked on diesels and all there components as long as I can remember,
the older injection systems are more forgiving to bad fuel compared to the new HP common rail systems, and the diesel fuel quality in the US really sucks.
ULSD fuel is treated with the lubricity and/or other premium additives prior to the delivery to the service stations.
I have seen 5 cases that destroyed pumps and injectors because the lubricity additive did not get added to the fuel, laboratory fuel testing confirmed this.
Does it happen a lot ??? - I do not know.
The additive I use will bring untreated fuel to the above minimum ASTM specs for lubricity just in case I do get a bad tank full, and it claims a rise in cetane and improves cold flow down to minus 20 for #2 diesel, and MPG gains that I can not yet prove.

I have 2500 miles on mine now, 2300 mile high speed (70-80 MPH 85%)trip over Thankgiving from WA to WY to WA, 26.74 MPG, 2.6 Gal DEF actual, EVIC is very optimistic on the MPG.
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  #834  
Old 12-07-2013, 01:06 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by BossHoss View Post
Not the case for everyone in your neck of the woods.
-12 rear filter plugged/gelled up , no run - Dodge Cummins Diesel Forum
This is the time of the year when lots of stations have not transitioned fully to winter blends. If you have the misfortune of getting caught in a cold snap with some of this stuff in your tank you may wish you had taken a minute to add a few ounces of insurance. I like NYC's advice.
Your link is for the Cummins engines. The Diesel Supplement manual says that the CRDs have a 12v heater built into the fuel filter housing to help prevent gelling. I wonder it this would explain the difference.

It also says that the heater is controlled by a built in thermostat. However, it does not say if the thermostat will kick on at any time (lowering battery level), just when the engine block heater is plugged in, or as the truck is being started.
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  #835  
Old 12-07-2013, 01:14 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by Vtail View Post
Is diesel fuel additive really needed? My wife has had her 2009 Jetta TDI for 4 years now in MN, and no problems. Is the CRD different? How do you know which additives are really good and helpful vs those that are just snake oil? I've read that some can even harm the emissions system.
This is likely dis-related. I know that for marine diesel engines, an anti microbial additive is almost a must. I know a boat that had to have its entire fuel system replaced due to microbial growth. I believe it was some type of algae that thrives in diesel fuel. Other than a very brief mention in one of our 4 manuals, microbial growth seems to not be a problem with our land based vehicles.
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  #836  
Old 12-07-2013, 01:50 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by BossHoss View Post
Not the case for everyone in your neck of the woods.
-12 rear filter plugged/gelled up , no run - Dodge Cummins Diesel Forum
This is the time of the year when lots of stations have not transitioned fully to winter blends. If you have the misfortune of getting caught in a cold snap with some of this stuff in your tank you may wish you had taken a minute to add a few ounces of insurance. I like NYC's advice.
Most stations in Minnesota convert to the winter blends in October. This gives everyone a month or so to get the summer blends run thru the tank and get the winter blends in. I am still up in the air about having to add boosters or supplements. I don't want to get stuck with a gelled tank, but I also don't want to needlessly add costs and extra effort of adding the supplement if I do not need to add it to the tank. Have heard here from a few people in Minnesota - who have had diesels, that they have not had any issues in the past. Not sure what to do.
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  #837  
Old 12-07-2013, 04:30 PM
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Quote:
Originally Posted by Shannon View Post
Most stations in Minnesota convert to the winter blends in October. This gives everyone a month or so to get the summer blends run thru the tank and get the winter blends in. I am still up in the air about having to add boosters or supplements. I don't want to get stuck with a gelled tank, but I also don't want to needlessly add costs and extra effort of adding the supplement if I do not need to add it to the tank. Have heard here from a few people in Minnesota - who have had diesels, that they have not had any issues in the past. Not sure what to do.
All I can say is zero issues in 4 years with my wife's Jetta TDI without any additives and no block heater. Maybe just lucky ...
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  #838  
Old 12-08-2013, 09:19 AM
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No issues with my vw passat tdi for the past 8 years either. It has been -30 here the past few days (that's without the windchill) and the passst has fired up no problem everytime. I'll let you know how the jeep does as soon as I get it. My delivery date has unfortunately been pushed back another week.
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  #839  
Old 12-08-2013, 01:08 PM
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Re: Welcome ALL 2014+ Jeep Grand Cherokee Ecodiesel owners!

Quote:
Originally Posted by Vtail View Post
All I can say is zero issues in 4 years with my wife's Jetta TDI without any additives and no block heater. Maybe just lucky ...
I hope I am as lucky as you. What station do you normally fill fuel up?
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  #840  
Old 12-08-2013, 02:13 PM
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I'm using Shell V-Power diesel, it's premium diesel. Will that have additives to prevent gelling? Also, don't see how block heater would deal with gelling issue, doesn't block heater just keep radiator fluid warm?
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