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Author Topic: What is the best diesel injector cleaner.  (Read 5233 times)

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Offline Grizzly

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Re: What is the best diesel injector cleaner.
« Reply #20 on: November 27, 2017, 02:18:33 PM »
I was going to use some Sea Foam, but I read that it contains alcohol.

And that made it a beverage??!  :D  Sorry, folks. Just had to be done.
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Offline Skip

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Re: What is the best diesel injector cleaner.
« Reply #21 on: November 27, 2017, 02:26:04 PM »
Sea Foam in every thing !

Offline starmac

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Re: What is the best diesel injector cleaner.
« Reply #22 on: November 27, 2017, 02:56:13 PM »
I assume you are getting white smoke until it clears up and starts running fine. I generally use howes in mine once in a while, but we used tranny fluid forever. If I think I really need to clean them, I like to fill the filter with it, then crank and let it run a few minutes, then kill it and let it sit overnight, with the pump, lines and injectors full of the cleaner.
It may also be time for you to run an overhead.
Old LT40HD, old log truck, old MM forklift, and several huskies.

Offline sawguy21

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Re: What is the best diesel injector cleaner.
« Reply #23 on: November 27, 2017, 03:11:02 PM »
I was going to use some Sea Foam, but I read that it contains alcohol.

And that made it a beverage??!  :D  Sorry, folks. Just had to be done.
Shaken, not stirred :D
old age and treachery will always overcome youth and enthusiasm

Offline barbender

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Re: What is the best diesel injector cleaner.
« Reply #24 on: November 27, 2017, 08:40:08 PM »
😂😂😂Because alcohol attracts water, and can cause moisture problems down the line. No personal experience, I read it on the internet so I know it's true😁
Too many irons in the fire

Offline Kbeitz

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Re: What is the best diesel injector cleaner.
« Reply #25 on: November 27, 2017, 09:59:20 PM »
😂😂😂Because alcohol attracts water, and can cause moisture problems down the line. No personal experience, I read it on the internet so I know it's true😁

Add a cup of water to your can of gas and shake it up...
Remove the water and the junk added alcohol will be gone.
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Offline Peter Drouin

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Re: What is the best diesel injector cleaner.
« Reply #26 on: November 28, 2017, 05:25:39 AM »
This winter I'm going to set up a jug to do that K.
Do you have one?

Offline bodagocreek2

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Re: What is the best diesel injector cleaner.
« Reply #27 on: November 28, 2017, 07:19:42 AM »
0ne ounce of atf for every gallon of fuel, 20 year old Kubota 2900.  seems to keep it running smooth.

Offline GRANITEstateMP

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Re: What is the best diesel injector cleaner.
« Reply #28 on: November 28, 2017, 10:07:37 AM »
A little bit of atf with every fill up keeps the doctor away, or something like that.  I add diesel  fuel treatment a couple times a year but do a splash of atf every time I dump 5 gallons into my Kubota.
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Offline coxy

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Re: What is the best diesel injector cleaner.
« Reply #29 on: November 28, 2017, 11:47:29 AM »
so your saying 1gal of atf/2cycle oil  every week  is to much  never had any trouble

Offline John Mc

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Re: What is the best diesel injector cleaner.
« Reply #30 on: November 29, 2017, 02:45:13 PM »
😂😂😂Because alcohol attracts water, and can cause moisture problems down the line. No personal experience, I read it on the internet so I know it's true😁

Add a cup of water to your can of gas and shake it up...
Remove the water and the junk added alcohol will be gone.

If it's E10 (10% ethanol) gasoline you are talking about, you'll also lose about 3 or 4 points off your octane rating by taking the ethanol out, so I hope you started with some premium grade gas, otherwise you've got some garbage on your hands (not a whole lot out of engines out there that specify 83 or 84 octane).

If it's diesel, I was not aware anyone was putting ethanol in that - except possibly as a fuel additive. Alcohol in fuel additives is most commonly used to help deal with water: it combines with the water and helps move it through the system. Alcohol becomes a problem when it has maxed out as far as the amount of water it can handle. At that point it settles out of the gas. That water/alcohol mix sitting at the bottom of your fuel can or tank is corrosive. It also does not mix well with the lubricating oil in a 2-stroke engine.
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Offline Peter Drouin

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Re: What is the best diesel injector cleaner.
« Reply #31 on: November 29, 2017, 07:28:13 PM »
Is there a difference in on road and off road diesel other than a tax and color?

Offline snowstorm

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Re: What is the best diesel injector cleaner.
« Reply #32 on: November 29, 2017, 08:04:07 PM »
No it's the same

Offline moodnacreek

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Re: What is the best diesel injector cleaner.
« Reply #33 on: December 19, 2017, 08:56:14 PM »
2 years ago I got some dirty fuel in my generator tank. The engine is a C series Cummings. It started smoking so bad it filled the valley and people where stopping because of it.  The engine started making oil. The blow by was oil mist. I pulled the fuel lines out and put them in a clean  barrel of kerosene and several brands of inj. cleaner. NO change. Next I dumped out 1 fuel filter and filled it with sea foam. This fixed half the problem and I kept sawing [and smoking ] for 2 months with no more improvement. Next with the warmer weather I went to 50% vegetable oil fuel. After a few days it cleared up completely.

Offline Runningalucas

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Re: What is the best diesel injector cleaner.
« Reply #34 on: December 20, 2017, 12:19:14 AM »
No it's the same

Can you explain?  In my area the off road diesel pumps read: Off-road Diesel
                                                                                              kerosene
Or something near that, and I've always assumed it to be truly kerosene rather than dyed on road diesel; I actually assumed it would be the older more lubricating stuff.

Offline starmac

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Re: What is the best diesel injector cleaner.
« Reply #35 on: December 20, 2017, 12:37:36 AM »
What area are you in that sells kerosene for off road diesel. There is no difference between off road and on road diesel except for the die, we don't even have died fuel here. There is a difference in summer and winter blend and that is different from area to area, depending on average temps.
Old LT40HD, old log truck, old MM forklift, and several huskies.

Offline Runningalucas

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Re: What is the best diesel injector cleaner.
« Reply #36 on: December 20, 2017, 02:49:58 AM »
What area are you in that sells kerosene for off road diesel. There is no difference between off road and on road diesel except for the die, we don't even have died fuel here. There is a difference in summer and winter blend and that is different from area to area, depending on average temps.

North Idaho, almost all service stations have an 'off road diesel/kerosene' pump; it's quite a bit cheaper, more so than no tax added.  I think something like 50 cents, to a buck cheaper.

Offline starmac

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Re: What is the best diesel injector cleaner.
« Reply #37 on: December 20, 2017, 03:52:23 AM »
50 cents to a buck sounds right as far as price difference goes, depending on the state.

Winter blend probably has some kero in it, but never heard it advertised as so. The winter blend the state uses on the north slope is mostly kero, you get terrible mileage with it.
Old LT40HD, old log truck, old MM forklift, and several huskies.

Offline thecfarm

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Re: What is the best diesel injector cleaner.
« Reply #38 on: December 20, 2017, 06:27:20 AM »
I also know it that way too,snowstorm.
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Offline Randy88

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Re: What is the best diesel injector cleaner.
« Reply #39 on: December 25, 2017, 07:08:43 PM »
If its a kubota and smokes like that, if it were me, I'd pull the injectors and take them in to be cleaned and repaired before it wash's down the cylinder and you score a bore, thinking those engines have no sleeve's but I could be wrong. 

The injectors should be easy to get out, just take off the lines and unscrew them or take the hold down bolt out and twist the injector out.     

Anything less with a diesel is just a temporary fix and probably won't last long, I've never bought injectors or had them done on any of my Kubota's as of yet, but done about everything else and most injectors are pretty cheap to fix and have the worn parts replaced and then the fix it shop can do a poppet test on them to know if the spray pattern is right and it should run as many hours next go around as the last. 

You also might have a pump issue, not sure on that model of engine, but is there a screen or anything in the pump that might be dirty or in need of replacing.    By just doing the poppet test, the shop should be able to tell you if you have a pump issue or if its in the injector itself.     

I have several Isusu engines that have a banjo screen in the system that needs cleaning regularly, but don't recall any of my Kubota's needing that done.     

As for all diesel being the same, that depends on WHO your buying from and where they are at, diesel at the pumps are inspected regularly by inspectors, most all offroad fuel isn't, so what does this mean to you, it means any diesel that can't pass inspection, goes for offroad use, same goes for any fuel coming off a truck, most is not inspected, so in theory, the best quality fuel is at a service station out of a pump, the poorest is delivered to you at your home, shop or farm because inspectors don't come to your place to pull samples.       

All diesel is clear when its first made, only offroad is dyed red and no tax is supposed to be on it for road fuel, but sales tax applies in my state for anything not farm related on dyed fuel.     

Then there are grades of diesel, premium is the best, some call it by other names and depending on what fuel additives are in it, will determine what fuel you want and when.     There is also number one fuel, which is thinner and for winter use, but lowers hp and increases fuel consumption, but tends to not jell up as much or as fast in cold weather.   Number two is standard, and some use blends of number one and number two in the winter, some fuel stations use additive packages in the winter, some use different additives in the summer as well, just depends on who your buying fuel from and who they sell to and what those customers want for additives.      Then there is also bio fuels, or blends of bio diesel, not something I'd recommend in the winter at all.   

All diesel sold today is low sulfur to my knowledge, which has lower lube levels in it due to less sulfur, which can cause issues with older diesels, which might be part of the problem with your Kubota, and the reason why I'd pull the injectors and have them checked over by a good shop.       

I'm not fond of the crap in a can cures myself for diesels, for the cost of those additives I can pull the injectors and rebuild them over the live of the additives and I know what I have is good and should run x number of hours before needing attention again, best of luck on whatever you do.   


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