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-   2014+ Jeep Grand Cherokee Ecodiesel 3.0 (http://www.jeepgarage.org/f222/)
-   -   Diesel Fuel Additives (http://www.jeepgarage.org/f222/diesel-fuel-additives-70112.html)

torque85 01-07-2014 03:13 PM

Diesel Fuel Additives
 
Hi everyone! New to the forum and to a 3.0 ecodiesel. Loving it! I drove from Frederick, MD to Ocean City, MD and got 31.2 MPG (according to the display). Pretty awesome.

Anways, I and did not see a thread on fuel additives specific to the 3.0 Ecodiesel.

I used to drive a vw tdi and used the additive "Power Service Diesel Kleen" (PSDK). White bottle in the winter, and silver bottle in the summer. All of the TDI guys used PSDK, Stanadyne, or Opti-lube. I think PSDK is the only one you can find at an autozone type store, which is why I used it.

Anyways, wanted to know what you ecodiesel owners go with? I'm tempted to continue using PSDK, but the same questions linger for me:

1) Will any fuel additive void a warranty?
2) Ecodiesel is ok to use with additives, right? Just like any other diesel?

Before I used to fill up the additive in a water bottle and pour it down my tank. Well...with jeep's capless tank...looks like that might be a little more difficult and messy.

What are your thoughts on this?

Adam

CNY_WK2 01-08-2014 12:52 PM

Re: Diesel Fuel Additives
 
Use the emergency filler tucked in the spare tire area.

I use XDP Polar D? and I got there summer version as well due to finding good reviews by the diesel trucks and it was ~4.00 a bottle on Black Friday. Once I run out I am going to try Opti-lube.

As long as the additive is DEF system safe you will be fine(most are nowadays) and no challenges to your warranty.

thebc2 01-08-2014 07:04 PM

Re: Diesel Fuel Additives
 
I've been using 4oz of Stanadyne every other fillup since the weather really started to get colder here. So far so good.

Dome 01-09-2014 01:02 AM

Newbie to diesels here... What exactly do these additives achieve?

raptor5618 01-10-2014 04:55 PM

Re: Diesel Fuel Additives
 
The winter additives help prevent gelling and I think they claim to slightly boost the cetain rating which is how much power a gallon of diesel has. I would also think it gets rid of any water but anyone who ever experienced gelling of their fuel knows that it is not a good thing.

In the winter the additives add to the lubricating factor of diesel and also boost the Cetain rating. Probably water too.

I used it regularly on my older Jetta and I saw no difference in mileage which I checked with every fill-up and kept a log. I do know that if you stupidly put some summer additive in to your take right before the weather drops to negative numbers you will be sitting in a car with no heat waiting for a tow.

In the newer Jetta TDI they said if I used any additives it would void the warranty and so far none were approved for use in the TDI. I never used it and count on the fuel I buy having enough of the good stuff. This last cold snap I had no problem starting my TDI.

I used to do a lot of reading on the VW site for TDI's and at this point I think they will not do any harm but I am not totally convinced they are a real benefit. They are relatively costly if you use them they way it is recommended.

For me I like the higher milage of a diesel but the cost of fuel has gotten crazy so the savings is pretty much going away when it comes to cost of fuel and toss in the cost of the vehicle well my argument about cost effectiveness is getting weaker too although they do last a lot longer.

But I love the torque you get with diesel and so be it car or truck I will pick a diesel every time.

Cruiserfred 01-21-2014 09:06 PM

Re: Diesel Fuel Additives
 
Hi fellas
I'm using the same additive recommended for my bigger trucks (Howes) , what are you using to get it into the filler trap door.

Fred

Shannon 01-23-2014 12:51 AM

Re: Diesel Fuel Additives
 
As long as you are running with the #2 winter blend, there is probably no need for an additive. Temps in Minnesota have been between -20 and 30 below, and no problems with gelling. Most stations in the north (all in Minnesota) usually run with #2 from September thru April. IMHO, additives do nothing more than make a bigger hole in your pocket book.

Raven 01-23-2014 10:27 AM

Re: Diesel Fuel Additives
 
I've done quite a bit of research and found that in testing and testimonial that XPD Opti-Lube is the best Diesel additive right now.

I bought a gallon and it should last quite a while..

Buckle10 01-23-2014 01:49 PM

Noticed the other day at a Kwik Trip in Southern MN at the Diesel Pump I could buy either the summer or the winter blend. The summer blend reccomended the use of an additive. I put in the winter blend, I live in Minnesota. So my question is, do I use the summer blend with an additive and get better gas milage, trusting the additive will prevent gel or do I take the safer route and use the winter blend and get less MPG? What would you do?

raptor5618 01-23-2014 02:24 PM

Re: Diesel Fuel Additives
 
Well Buckle10 I would not like to test that idea out. Had a problem with jelling once of my own making and it was down around zero and the engine will not run which means you get really cold really fast.

I used to use a additives on a regular basis and tracked every fill up over the last 8 or 9 years. I never saw even a hint that they added to my MPG. I guess they helped lubricate the system which I thought would be a good thing.

The only change I ever noted was that if you put the summer additive into your tank when it drops to zero you just might be sitting on the side of the road wondering what in the hell you were thinking about.

I am going to try out the additive made by BND to see if I notice any change. Will be surprised if I see an increase in MPG but if I do or do not I will post what results I see. Yes it also is a great way to lighten the weight of your wallet.

Oh earlier I posted that one of the additives is to prevent gelling. I assume that it makes it less likely but I was not trying to imply that you needed it to prevent gelling. If you get fuel from a location that pumps a good amount of diesel so you know you are getting winter blend you will be just fine.

I would be interested if anyone has had any evidence of a concrete change after using additive.

Shannon 01-23-2014 02:48 PM

Re: Diesel Fuel Additives
 
Quote:

Originally Posted by Buckle10 (Post 964285)
Noticed the other day at a Kwik Trip in Southern MN at the Diesel Pump I could buy either the summer or the winter blend. The summer blend reccomended the use of an additive. I put in the winter blend, I live in Minnesota. So my question is, do I use the summer blend with an additive and get better gas milage, trusting the additive will prevent gel or do I take the safer route and use the winter blend and get less MPG? What would you do?

In Minnesota, I would run winter blend from October thru April.

Buckle10 01-23-2014 02:55 PM

I wouldn't expect increase MPG from the additive, but more likely from using the summer blend vs. the winter blend. Otherwise, I am not inclined to use a summer blend rather the winter blend....it just got me thinking how much do you or can you trust an additive to prevent gel


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