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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5829

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Fuel Additive
Hello all.

Fuel additives, are they worth it? And for what reason. Just had my french MOT and passed, so all good on the emissions test from a legal standpoint. But I don’t want to rest on my laurels.

Fumes are clean once running, but there’s always a belch when firing up from cold, and it’s a little blue-grey for the following 5 mins. Further, when really cold, can struggle a bit to start. Also just wondering about ‘cleaning’ the internal parts.

So I’m after thoughts on the following additives and whether they a. Work, and b. Are advised?

Engine Cleaner
Turbo Cleaner
Cold starter
Fume cleaner.

Do they work, what’s best practice?

I have access to various brands including Wynn, Bardahl, and Facom.

Ta Thumbs Up Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #872994 15th Dec 2020 8:33am
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2031

United Kingdom 
Forte make a great range of products that many garages use. I’ve used their injector cleaners on Petrol cars and they worked really well. I.e I took a 17 year old Vauxhall’ 2.2 (Z22se engine) Astra coupe for its mot after running the injector cleaner through and the emissions were so low he called me over to show me, stating he had just mot’ed a new Porsche and mine was well lower than that.
They generally sell direct to trade, but you can get via web sites.

https://www.forteuk.co.uk/products/
Post #873127 15th Dec 2020 7:47pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20446

United Kingdom 
Millers:
https://www.ebay.co.uk/itm/Millers-Oils-Di...890.l49292
Currently on offer as well.

I use this permanently and have for what must be 5 years now, use it with regular grade diesel.
Runs lovely on it, smooth responsive and powerful runs like a dream.
I do have an Alive tune as well but she does shift when you want I can tell you!

I would definitely say it keeps everything as clean as possible compared to before.
If it’s fairly aged I’d consider changing you VCV too as a matter of course. Mine had mine running not so well for a while and without much symptom until it packed up but was not running well.
It also improves MPG and keeps injectors clean. No Guts, No Glory.
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪
Post #873134 15th Dec 2020 8:03pm
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williamthedog



Member Since: 29 Dec 2012
Location: south wales
Posts: 3441

2011 Defender 90 Puma 2.4 PU Tamar Blue
If its struggling to start when its cold I would check that all the glow plugs are working.
Post #873135 15th Dec 2020 8:06pm
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Sulisuli



Member Since: 30 Oct 2016
Location: South west
Posts: 4795

United Kingdom 2015 Defender 90 Puma 2.2 HT Corris Grey
^^^^^^ as above, what Steve wrote, totally agree. I use it with every tank fill, alive tune combined with intercooler, exhaust etc etc Thumbs Up 2015 HT XS 90
2008 SVX 90
2000 XS TD5 90
Post #873137 15th Dec 2020 8:06pm
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gilarion



Member Since: 05 Dec 2013
Location: Wales
Posts: 5111

Wales 2007 Defender 90 Other CSW Trident Green
Millers Thumbs Up Thumbs Up Thumbs Up Thumbs Up Thumbs Up For those who like Welsh Mountains and narrow boats have a look at my videos and photos at..

http://www.youtube.com/user/conwy1
Post #873248 16th Dec 2020 12:10pm
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Joe the Plumber



Member Since: 18 Dec 2013
Location: Midlands
Posts: 907

2014 Defender 110 Puma 2.2 HT Fuji White
I use the Millers stuff in my fuel tank every time I fill up, but I get it in five litre cans from Opie oils as it's cheaper that way. It's ghastly stuff, but does seem to work.

I've used Forte stuff (our local garage recommended it) for leaking vehicle rads over the years and it's brilliant for that, but not any of their fuel additives. I would certainly use them in preference to any other brand if I needed an injector cleaner though.
Post #873255 16th Dec 2020 12:35pm
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jocklandjohn



Member Since: 16 Sep 2016
Location: Highlands
Posts: 62

Scotland 1989 Defender 110 200 Tdi HT Oslo Blue
I'm another regular user of Millers EcoMax - makes a real difference. Even more so if used with BP Advanced diesel - noticeably smoother & cleaner, and with a tad more oomph.
Post #873688 18th Dec 2020 10:31pm
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Karlowse



Member Since: 06 Dec 2020
Location: West Midlands
Posts: 13

United Kingdom 2010 Defender 90 Puma 2.4 XS CSW Santorini Black
Thanks for the link steve, just brought a bottle to give it try Thumbs Up
Post #873765 19th Dec 2020 5:50pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20446

United Kingdom 
👍🏻 You can buy it in bulk but I don’t do big mileage so it’s shelf life would be exceeded before I’d even use it.
If they did a 2L volume it would work for me though. No Guts, No Glory.
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪
Post #873786 19th Dec 2020 7:45pm
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
Additives, a subject discussed to death here. This here won’t help with cold start, but as to additives all you need is BP Ultimate which I believe has all the right additives in the right dosage you can dream of. Personally, I quickly noticed a clear difference in quieter engine tone after I abandoned using the cheaper French supermarket fuels. Happy to pay the premium Swiss prices for that BP Ultimate ever since. Not sure about availability around Cham itself, but there is one in Cluses near to you.
Eric You never actually own a Defender. You merely look after it for the next generation.
http://youtu.be/yVRlSsJwD0o
https://youtu.be/vmPr3oTHndg
https://www.youtube.com/watch?v=_GtzTT9Pdl0
https://www.youtube.com/watch?v=ABqKPz28e6A
https://www.youtube.com/watch?v=rLZ49Jce_n0
https://www.youtube.com/watch?v=XvAsz_ilQYU
https://www.youtube.com/watch?v=K8tMHiX9lSw
https://m.youtube.com/watch?v=dxwjPuHIV7I
https://vimeo.com/201482507
https://www.youtube.com/watch?v=ZSixqL0iyHw
Post #873806 20th Dec 2020 6:06am
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Fat Cog



Member Since: 19 Mar 2012
Location: Oxfordshire & Devon
Posts: 502

United Kingdom 2016 Defender 90 Puma 2.2 HT Corris Grey
Millers Ecomax & decanted from Opie Oils 5L can; I use it in my Defender, Wolf, Hymer motorhome & wife's Juke. Like lots of others my 2.2 always suffered from an annoying flat spot/hiccup & since using Millers its never returned. Since 1973...S1, Air Portable's, Defender's, but only my Wolf TUL HS GS remains
Post #873920 20th Dec 2020 8:51pm
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MatLandy



Member Since: 11 Sep 2020
Location: Paris
Posts: 184

France 2008 Defender 110 Puma 2.4 CSW Zermatt Silver
I only use Total Excellium as it's is easily available around here with necessary additives already blended in it, this should match BP Ultimate I believe. No way am I going to put cheap unknown unbranded watery low-cetane low-lubricity supermarket fuel in the 2.4, unless I don't have the choice.

Once a year, I treat her with a can of Liqui Moly 5128 Diesel Engine System Cleaner (UK ref is different though: 21491) added in the fuel tank. This is from Liqui Moly range that is suitable for use in workshops, so I tend to believe it is more efficient/safe than any snake oil one can find in the supermarket (again Whistle ). And yes, my personal experience is that the engine runs better immediately after and the effect last quite a few tanks as well.

I once cleaned the Turbo using Wynn's Turbo cleaner. The aerosol version that you spray directly in the turbo air inlet. It cleans the "cold" side of the turbo (and intercooler as well to some extend?) from the oily residue that has found its way via the crankcase breather pipe. I also cleaned the inlet manifold with Liqui Moly 5168 Pro-Line intake System Cleaner, this is again an aerosol and you spray it directly in the intake manifold to help clean the sludge in there and on the air intake valves. I did not notice any real change in the engine running though, maybe just revving slightly better above 3000rpm.

/Mat
Post #874380 23rd Dec 2020 4:31pm
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UtilityTruck



Member Since: 09 Jan 2014
Location: Oxford
Posts: 463

United Kingdom 
The two advantages I’ve found using Millers Ecomax additive in my 2014 2.2 are; it’s quieter and it seems to rev more freely up to 3k - I’m not sure it’s any faster, but it’s definitely smoother and less clattery as it goes through the rev range.

It is horrible stuff though, keep it in a sealed bag and always use gloves. I think if I spilt the bottle in the truck I’d have to burn it... Laughing 2014 Keswick Utility 2.2
Post #874459 23rd Dec 2020 10:20pm
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scotsstag



Member Since: 17 Jun 2012
Location: D+G
Posts: 534

Scotland 2004 Defender 90 Td5 CSW Rutland Red
Liqui Moly Super Diesel Additive for me.
Buy it in 5 litres container, 300ml per fill up every tank.
Lasts forever Smile 04' 90 Td5 CSW..
Post #875045 29th Dec 2020 3:56pm
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