Injector Cleaner

Submitted: Monday, Nov 03, 2008 at 18:48

Member - Corio

I recently had a service done on my TD100 and was charged for a fuel additive to clean injectors etc.

This doesnt worry me in particular however does anyone know wether this stuff actually works as I,ve got a Falcon RTV that wouldnt pull your hat off despite replacement fuel filters aircleaner etc.?

I understand this topic may have been flogged to death but does anyone have any ideas?

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AnswerID: 333440   Submitted: Monday, Nov 03, 2008 at 18:55

Maîneÿ (wa) replied:


Do you know what "additive" was used ??

Mainey . . .
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FollowupID: 601296   Submitted: Monday, Nov 03, 2008 at 19:05

Member - Corio posted:


The product was F-10.
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AnswerID: 333441   Submitted: Monday, Nov 03, 2008 at 18:56

Member No 1 replied:

why did you pay? does the book say its a thing they need to do ?

i have no idea if the stuff really works
'If women are so bloody perfect at multitasking.......
how come they can't have a headache and sex at the same time

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FollowupID: 601298   Submitted: Monday, Nov 03, 2008 at 19:09

Member - Corio posted:

Member No 1

The book doesnt say use it and I,ve never seen one that does
however I thought it may be something I could try in my other vehicle.

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AnswerID: 333443   Submitted: Monday, Nov 03, 2008 at 19:06

Wayne (NSW) replied:


I have used the "Injector Cleaner" and it is hard to say if it worked at all.

If the injectors are clean it would help keep them clean.

If they were that bad that it effected the performance of the vehicle, the only way to clean the injectors would be to remove them from the motor.

I suppose that they use the cleaner to prolong the service of the injectors.

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AnswerID: 333532   Submitted: Tuesday, Nov 04, 2008 at 01:09

Trekkie (Member - WA) replied:

I have used this in my boat and 4WD whenever I go on a long trip
It cannot do any harm and the guys that service my vehicle suggest it could help
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Reply 4 of 14
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AnswerID: 333547   Submitted: Tuesday, Nov 04, 2008 at 07:53

Member - Matt & Caz H (QLD) replied:

Hi Curio,

We have the same kind of issue at the moment, we have had 2 80 TD's the first was a 1991 model and we used a treatment in it every 2nd or 3rd time we filled up, never had any issues with it. The 2nd TD 1997 model we took it in 2 weeks ago to get the injectors done $220/injector!!!! turns out the injector pump had serious issues and had to be replaced - $3k later - the guy said he didn't recommend using fuel additives at all - so now we are confused!!! however we have noticed previously that it does seem to help.
Just spoke with a neighbour yesterday he uses it in his bus and reckons it works really well

So in a nutshell not sure what to advise - sorry
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AnswerID: 333561   Submitted: Tuesday, Nov 04, 2008 at 09:06

93 Navara replied:


I put in in regularly as I don't do a lot of kms so the cost is not really an option. In my old vehicle, a 93 Navara with a DTS turbo, I consistently got an extra half a kilometre per litre. I swore by it. I now have an 80 series with the 1 HD-T and I've tried it with an without and can't pick a difference in economy. I now only use it every couple of tanks as I'm still convinced it is of benefit after its efforts in the Navara.

Can't hurt, Ben
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AnswerID: 333571   Submitted: Tuesday, Nov 04, 2008 at 09:45

Honky replied:

Doesn't putting in Premium unleaded clean a petrol injector?
I just fill up every now and than with Shell ultra

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AnswerID: 333581   Submitted: Tuesday, Nov 04, 2008 at 10:34

mechpete replied:

if you think that putting injector cleaner in the system is suddenly gunna make it go good again your dreaming .
there must be another problem ,they normally go very well
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AnswerID: 333586   Submitted: Tuesday, Nov 04, 2008 at 10:41

Member - Phil G (SA) replied:

One shot of injector cleaner at service time is a waste of money on a 1HD-FTE. Injectors on these direct injection motors tend to stay clean and rarely need anything done.

On the other hand, you may want to consider the Toyota diesel additive or Chemtech which is bought at many outlets. These have a biocide to prevent algae growth in your tanks - might be an issue if your vehicle can sit around unused for a while, or if you pick up dodgy fuel.
2012 VDJ200 Landcruiser
2003 TVan
2008 VW Tiguan TDi
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Reply 9 of 14
FollowupID: 601388   Submitted: Tuesday, Nov 04, 2008 at 10:54

Member - Roachie (SA) posted:

I agree with Phil on this one......

Funny thing happened when we were at Coober Pedy last year. We filled up at the Mobil depot (around in a back street). Pud and I were in the "shop" waiting to be served and pay for our fuel and were discussing these additives and whether they worked or not.

The bloke behind the counter (who sells the stuff) said "why would you waste your money on that stuff? It's only gunna stuff your motor up"....or words to that effect.

Pud and I walked out shaking our heads in dismay....... hahahaha

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FollowupID: 601523   Submitted: Wednesday, Nov 05, 2008 at 09:59

Member - Oldplodder (QLD) posted:

I go with Phil and Roachie.

I put some in every now and then to control any bacteria.
Especially with some of the dodgy places you can get fuel.
Don't know how long it has been sitting around, or if it has got some water in it.

Not really to clean the injectors.

If I was a real cynic, I would add that dealers like to put injector cleaner in and charge you the $5 or $10 to get some more money out of you. Bet they buy it by the 20l drum for about 10c a dose.
10 services or more a day, an extra $100 plus, thank you very much.
But I am not a cynical type, so disregard that comment :o)
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AnswerID: 333613   Submitted: Tuesday, Nov 04, 2008 at 15:38

Member - Corio replied:


Thank you for your replies.I have put the F-10 additive in the Ford
and now just awaiting the result.No harm in dreamin.

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Reply 10 of 14
AnswerID: 333673   Submitted: Tuesday, Nov 04, 2008 at 21:53

Member - Paul W (VIC) replied:


i use the toyota diesel fuel conditioner as mine spends a lot of time sitting in the garage and it appears to do what it claims. i dose it up only before it gets put away as there is no point running it daily. cheers Paul
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AnswerID: 333700   Submitted: Wednesday, Nov 05, 2008 at 00:36

ross replied:

Im very wary of any additives mechanics are flogging. Usally they are get some prize or payment for reaching a sales target.
Often the price charged to the customer is many times what the wholesale price is.
Everyones a winner.....except the customer
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Reply 12 of 14
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AnswerID: 333789   Submitted: Wednesday, Nov 05, 2008 at 18:09

trainslux replied:

Hi chaps,
I replied to a post where someone suggested using Metho in diesel.
It now seems to have vanished.

Here is a cut and paste of my reply.


It will seperate out the diesel into 2 distinct layers.
It acts as a catalyst for the fuel to seperate, *esterfication???*
Get some diesel in a clear jar, add metho, and watch...

You can use metho in petrol to absorb water.

For diesel. Use Acetone in less than 1% concentration.
This will enable the water to be dissolved into the fuel and burnt, so there will not be a water/ diesel layer that can allow the alge to grow in.
This will not harm any seals (or dolphins either) or fuel pump lubricity etc at these levels, however it will aid in cleaning up the injectors etc.
its one of the main active ingredients in most diesel cleaners.



Ps, have used both chemtec, and the toyota additive, and can say that I am both pleased with the results they gave, and continue to use them in my vehicle and others.


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Reply 13 of 14
AnswerID: 333891   Submitted: Thursday, Nov 06, 2008 at 12:17

Sea-Dog replied:

I have used both Chemtech and smoke killer (I think it is Morro or similar - an american brand which can be bought at Supercrap)

In short the main benefit is control of diesel bug but I do believe they also raise the octane level slightly giving a better burn which is more likely to clean carbon off than anything else. They also have a detergent additive of some sort which is supposed to give better lubricant to the pump etc now that the sulphur levels are cut in diesel..

For what it is worth a $20 container of the stuff goes a long way so it can't hurt to drop some in every now and then.

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Reply 14 of 14