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Old October 2nd, 2019, 17:00   #1
jfeldser1568
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Default Diesel fuel additives

Hello everyone! I'm James Feldser and new to the forum. I own a 2012 Audi A3 TDI wagon. I'm new to the TDI world but loving it so far. My question is: What diesel fuel is recommended and what if any fuel additives are needed. Thanks!
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Old October 2nd, 2019, 17:23   #2
johnsTDI
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Fuel Economy: oh gosh alot better than burning Gasoline.?
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it dont hurt to use a fuel additives from time to time a clean fuel system will give You back the best fuel economy & Performance possible. about every 3-4 tankfull i will run some top tier shell V-Power Diesel through my 2012 TDI (Just for Giggles) dont!! do what this guy did on youtube he reused his old dirty oily diesel back in his fuel tank to run his vehicle are You Kidding.!! lol
https://www.youtube.com/watch?v=RL_sZF53K5o
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Old October 2nd, 2019, 18:42   #3
jfeldser1568
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Thank you for the info!
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Old October 2nd, 2019, 22:17   #4
CheapBastard
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I run diesel lubricant in every tank because of the fuel pump issues and a cleaner every 5k or so
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Old October 3rd, 2019, 07:15   #5
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I am a firm believer in always using quality proven fuel. Chevron has the highest cetain number around and its not at some isolated area where it sits and collects moisture. I also add 2 oz of Marvel Mystery Oil to every tank. I dont trust Ca. fuel to lubricate well.
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Old October 3rd, 2019, 10:48   #6
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I've been driving Diesel cars since the 80's and buy my Diesel at high turnover stations. The least expensive Diesel without going out of my way for it.

I have no brand loyalty and have never ever had a problem.


One thing I do though, I use PowerService silver year round since I am never in freezing temperatures and add about 8oz per tank.
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Old October 3rd, 2019, 15:19   #7
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Quote:
Originally Posted by Jetta_Pilot View Post
I've been driving Diesel cars since the 80's and buy my Diesel at high turnover stations. The least expensive Diesel without going out of my way for it.

I have no brand loyalty and have never ever had a problem.


One thing I do though, I use PowerService silver year round since I am never in freezing temperatures and add about 8oz per tank.
Good point on going to high turn over stations also.
Do you notice any idle, mileage, soot load or? differances good or bad using additive?
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Old October 3rd, 2019, 18:07   #8
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I use this regularly on both of my TDIs.

https://www.wynnsusa.com/product/pre...uel-treatment/


never had a problem...
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Old October 5th, 2019, 15:12   #9
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Quote:
Originally Posted by pebjr View Post
I use this regularly on both of my TDIs.
https://www.wynnsusa.com/product/pre...uel-treatment/
never had a problem...
I think you'll find PowerService less expensive than Wynn. Walmart usually carries it, Cetane boost of 6 points.
https://www.walmart.com/ip/Diesel-Fu...80-06/16644702



Yellow Submarine never a problem of any kind.
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Old October 6th, 2019, 00:38   #10
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Quote:
Originally Posted by JELLOWSUBMARINE View Post
Good point on going to high turn over stations also.
Do you notice any idle, mileage, soot load or? differances good or bad using additive?
Question not directed at me but I'll answer it...

I've tried a few different additives over the years. Only 1 has given me any noticeable improvement. It reduces soot dramatically, like 75% less soot in the oil analysis. I can see it on the dipstick when I check my oil, it doesn't get pitch black anymore and it takes around 5K miles before it even starts to get dark. My last analysis on my 2.8 duramax only had 0.1% soot in 8k miles. I'm overdue for an oil change in my '03 Golf and I'll have another data point when that sample gets analyzed but it had the same effect on that car. The oil is dark, but isn't pitch black and it has 11k miles of mixed driving on it. I'm sure the soot % will be low on that sample as well.

I can only assume there is enhanced combustion occurring because of the additive which is the cause of the soot reduction. Also noticed a ~ 2% increase in avg. MPG since using it, however the 2.8 is also new so the increase could be due to engine break in as well.

TL;DR Some diesel additives work and others do not.
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Old October 6th, 2019, 05:10   #11
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True ..some Diesel additives work better than others since this is my 1st diesel TDI i have owned i have not used any pour in cleaning additive for the fuel yet i will say however. that in my past Gasoline vehicles i have had luck using BG products like 44K, Moa that made a difference in how smooth and stronger afterword my engine ran it worked for me. even the U.S. millitary fleet has used bg products to maintane there fleet so theres no question its an excellent additive i will be trying some BG 245 in the TDI some day since amazon has some really good reviews from everyday people that have posted there experience's using it.
https://www.amazon.com/BG-245-Premiu...ews/B01DQ9AF1A
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Old October 6th, 2019, 08:51   #12
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Quote:
Originally Posted by CleverUserName View Post
Only 1 has given me any noticeable improvement. It reduces soot dramatically, like 75% less soot in the oil analysis. Also noticed a ~ 2% increase in avg. MPG since using it.
What product are you referring to?

Quote:
Originally Posted by johnsTDI View Post
i will say however. that in my past Gasoline vehicles i have had luck using BG products like 44K, Moa that made a difference in how smooth and stronger afterword my engine ran it worked for me.
https://www.amazon.com/BG-245-Premiu...ews/B01DQ9AF1A
BG is amazing stuff for cleaning up internals, you can really feel the difference.
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Old October 8th, 2019, 15:13   #13
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i have even seen people on Youtube use seafoam right in the fuel filter housing to clean injectores not sure how well & thorough it works though?
but it can be used acording to directions on seafoam Can.
https://www.youtube.com/watch?v=544E_X2oUgM
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"Give Jesus Permission to come into Your Life". & everything else including Your VW will like it.
https://www.youtube.com/watch?v=FwYchnFGBKQhttps://www.youtube.com/watch?v=2-rfCnW5VlE

Last edited by johnsTDI; October 8th, 2019 at 15:15.
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