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Hello Andy, impressive results obtained on a 26ft ski boat with two 90hp Yamahas.130 nautical miles on 150 litres with increased performance. The same route was consuming 220 litres of fuel, 6 crew and 500kg fish load on.  Return didn't bog the boat at all. I only  used AR7200 at 5ml to 25 litres. From Alan at Spec petroleum, East London.

Well I have to say that at the end of my test AR6200 has given me a 7% more miles than the previous tank with millers eco max additive. It provides smooth running and the engines full torque characteristics are maximised.it is excellent value for money at around 65p a tank for substantial economy increase.  503 miles on 58.47 ltrs =12.86 gallons=39.1mpg.

I recently bought your AR6400-D from your website, and only bought my Peugeot 407 hdi 2.0 in January and had just over  105.500 miles on the clock. The car was giving me about 44.5 mpg.  Since putting the AR6400-D in the car, it’s now giving me about 50.0 to 51.5 mpg. The car now runs a lot smoother and has more power WOW!!  I’m impressed, once used I will use the AR6200 20ml bottle to treat 200 litres given to me as a sample. J Kelly

I am naturally cynical about products like additives. However having read many reviews I decided to buy some.  Having used your products (9100, 6200 & Grease) I am highly impressed with the quality & effectiveness. The results are very noticeable with the 6200 fuel catalyst. It is clearly evident that my car* is now more responsive with less visible soot emissions etc.

I also commend your customer service for offering prompt, unbiased, pragmatic & professional advice. Paul & Andy have always been particularly helpful.

I have & will continue to recommend Archoil to all those concerned. Therefore please feel free to use this as a testimonial.  I Strathmore.

*9100 & 6200 has been added to my  families BMW 520 (110K),  Toyota Verso (127K) & Kia Ceed (20K)


Dear Sirs, I have just completed a course of your AR 6400-D + the small bottles of concentrate on my Audi A6 Allroad which has now completed 211,000 miles. This product did exactly what you said it would. I had forgotten how smooth this engine could be and the Emission fault light, which had been on for 20,000 miles, went off after about 300miles. I wish to continue with your product, so what do you recommend to maintain the continued reduction in carbon etc. Kind regards, J Smith,

Hi Andy, AR6300 arrived Sat 22/02/14, quite quick and good service.

I have put the required dose in as directed and filled up with diesel after a few miles I have already noticed the difference much smoother and pick up better, a very good product.

I now have the AR9100 oil and will be putting that in shortly. Thanks Martin P


Hi, I would just like to say I was a bit sceptical about the Archoil additives but as my wife's 2.0dti Astra with 187000 miles on the clock needed a fair bit of work, engine management lights - EGR problems, Injector problems, flat spot on turbo & a loud diesel knock I thought what the hell give it a go & purchased your diesel service pack.

No immediate improvement but after 7 days-WOW! No flat spot on turbo, no more engine management lights - EGR fine, Engine really smooth & no diesel knock! The old girl is driving like NEW, no hesitation & loads of torque.

Can’t believe it especially after using the likes of STP & Wynns. You definitely get what you pay for & I have recommended it to my friends & family. I will be ordering another service pack shortly for my trusty Peugeot work van.  Thank you, Gary M

I drive a Renault Megane Cabriolet 1997 2.0l 16v F7R 714 engine (66,000 mls) with a JC5 M manual 5 speed gearbox. I have used your AR6400 in the fuel, and have added AR9100 at the last oil change, and i must say, i am impressed with the results. My question is....would The AR9100 be suitable for this gearbox using Elf Tranself NEP 75W80 oil? Many Thanks......S Furnish

Thanks for your recommendations for fuel additive for my 53plate Volvo S60 D5 with current 186k on the clock.  Result! Ar6400-D applied to tank, no thump in the back noticeable power increase, however post treatment it 100% definitely requires less throttle input to pick up revs! Also the classic diesel plume that appears when on boost has all but vanished!?! Incredible!!! Commute mpg is up already and all of the above has been experienced just after 44miles!  I look forward to further improvements as it continues to clean lube and whatever other wizardry things AR6400-D does.  Always been sceptical, but I'm a convert and after covering my next 5k as recommended, I'll be back for another batch.  Cheers, Dan

Hello, I have recently purchased and used your AR6400 product.  In the past, my car achieved an average fuel consumption of 34.6 mpg, which for a high performance vehicle, I thought to be good. Having used your product, together with fitting an ITG panel air filter, I am now achieving 40.6 mpg.It looks like you will be saving me a great deal of money. Thank you so much - outstanding. Tony

Hi guys, just a thank you for your honest and efficient service. I got my products last Saturday as promised and put in the turbo cleaner and went for a long run approx 70 miles round trip. When i used that fuel i then put £20.00 of diesel and used my disco 3 normally. I noticed a difference almost straight away as i have now done a few miles since putting it in my tank it has made a big difference to my engines performance on a cold morning. From a cold start the tick over was very lumpy till warm up and it felt sluggish to drove slow. Now when cold +2 celsius it runs smooth and also it pulls away and accelerates now with no effort and very little pressure on the throttle pedal. Also with the two treatments it has reduced the black smoke i was getting out of the tailpipes. I can’t believe the difference it has made to my engine. I have read about disco owners changing the turbo when all mine seemed to be sticky vanes [mine has a variable vane turbo] it has done the trick.  Well done all at powerenhancer for selling products that do what they say on the tin. Regs, Howard Fall.

The following is an article I posted on the Jaguar forums, if it is of any use to you then please feel free to use it.

Hi guys. I am new to these forums but have found them a very interesting read. I have had the same problem as most on here with the car showing more warning lights than a jumbo jet out of fuel. Because of the constant selection of Limp home mode, One garage said they would have to take the gearbox apart at the cost of a couple of thousand pounds.

A couple of weeks ago the car wouldn't start at all. After 5 days of scratching my head and after reading these forums I found out about the EGR Valve and someone said tap it with a rubber mallet, which I did. Hey Presto the bloody thing started. It seemed to me that the slightest bit of dirt would make the valve stick and because the sensors really couldn't tell what was wrong all sorts of lights lit up and limp mode engaged.

Anyway I have solved all my problems with an amazing product called Archoil. The product was AR6400-D. It is supposed to clean your system including the EGR. I have only had the stuff in there for about 100 miles now and the difference is amazing. I am hoping that before long i can take the rubber mallet out of my boot. Its embarrassing sitting in the Supermarket car park belting hell out of a Jaguar engine to make it go Like most people i am sceptical about products like this but i was desperate and willing to try anything.

Footnote: I am in no way connected to the makers of Archoil. Just an ordinary Joe trying to get his car to work efficiently.


AR6600 - just wanted to say thanks - it has worked a treat and cleared a problem with a stuttering turbo causing a terrible flat spot at 3500 revs

What a great purchase, I have tried a few products and I can honestly say what a product. After just a tank full of fuel what a difference! The car sounds quiet, crisper on the throttle response and is giving an extra few miles. I fully recommend this to anyone, as they say "Probably the best treatment on the market". Used on BMW 525 Sport.. Please add to your testimonial if you wish. kind regards, Milan

Just a quick email to congratulate you on the diesel fuel injector cleaner. It did exactly what it says on the instructions, cured the fault code on my Saab 9-3 tried other ones but to no avail so will order from time to time this excellent product.  Regards, Mr B Sparks

Hi, thank you for my ordered items and your efficiency in getting them shipped out to me so promptly. I recommend both your company and products to my friends and family as I have used several of these items for quite a while and have seen (and felt) noticeable performance improvements.  Thanks again.  Peter S

Hi Andy, You will be glad to hear on my friend's Ford Mondeo 2.0L diesel with a DPF (DW10BTED4 engine) it gave a solid 10% fuel economy improvement and restored the car's original responsive and engine note/noise. Thanks! Regards, Istiaque

Good afternoon.  I'm just writing a quick email to let you know the results on using your diesel treatment, received on the above order number.

We recently bought a low mileage 2010 kia sportage 4x4 with 6k miles on.  The kia dealer said that an elderly gent had owned it since they supplied it and it had been used for pootling around in.

When we got it home and started using it, it felt like it needed a really good clear out.  I gave it a motorway run but it was still hesitant, especially when setting off in 1st and then moving up to 2nd  and so on.

Anyway, i used it as instructed.  Put it in the tank and then filled up.  I felt a difference in just a few miles but couldn't quite believe it and thought i might just be wanting it to work too much so i waited until i had driven 250 miles and then i took my husband out in it.  He couldn't believe the difference!

It is now smoother with no hesitation at all and now feels like the new car it should feel like.

We are so pleased and so i thought that i would let you know.  Thank you, S Jones


Can't believe it, have only done 15 miles of mixed driving (around town and a short blast on the motorway), and the engine has stopped "juddering" when idling.  Will leave further feedback next week if that's alright, fingers crossed.  R Dunn

Comments: My order arrived early today, as prompt as the previous order. Only a small bit of business for you but you seem to give small orders the same service as you would a big one!.Many thanks for a great service,  C King.

Hello, just want to say how pleased I am with the Archoil AR6600 turbo cleaner.  Recently my VW Passat wouldn't go past 3k revs without throwing me into limp mode.  I’ve had it to garages which have said the vanes in the turbo are sticking and I'd probably need a new turbo.  So anyway 15 quids worth of diesel, a bottle of this and a blast down the motorway and it seems to have cleared.  The car has never had so much of a kick behind it. Thanks alot saved me a big mechanic bill.  Liam O

Hi, thanks for prompt reply. I'll go for the longer Journey. Perhaps a touch of an "Italian" tune up but keeping within the 3.5k rev limit.  I have to say that Archoil products work really well for me in my 2.0d BMW X3. Also the forums / blog are useful in understanding what goes on within and why it sometimes plays up. Once again, thanks for your help.  Steve

Hello,  I've driven to south to France to relatives. They have a string of high mileage diesel cars and vans.  I had bought a bottle of AR6400-D to use on the trip. However at arriving at hosts home, the discussion of Diesel engines came up. The conversation ended with me gifting them my bottle of AR6400-D.

Their old Renault Megane Diesel with 340,000 km on the clock was completely transformed by your magic potion. The car they had thought was on its last legs.  Under 100 miles of driving with archoil in the tank became quieter, faster and more responsive.

My host was so impressed with Archoil, he called his local garage owner at 11pm at night demanding to know why he hadn't stocked any Archoil.

Good luck, I think you have a new bunch of customers here in south of France. All with diesel cars and fleet vans to operate.  Asim B

Hi, thank you for my ordered items and your efficiency in getting them shipped out to me so promptly. I recommend both your company and products to my friends and family as I have used several of these items for quite a while and have seen (and felt) noticeable performance improvements.  Thanks again.  Peter S

Comments: Just used Archoil 6400 on my Audi A6 2.5 tdi, quattro (120,000mls) with great improvement in every area- well pleased with that! J. Gowans

ARCHOIL© AR6400 - "Hi, recently purchased your Archoil Professional fuel system cleaner for my Mini Cooper S. Very impressed by the extra boost it appeared to immediately give to the supercharger.”  Nick

Hi, just some feedback on the Archoil products I used on my weeks holiday to Scotland.  I added the oil & burner products to my VW Sharan 1.9 tdi 115 bhp, smooth running & returned 45mpg fully laden with 4 adults 2 dogs & luggage. 1500 miles in a week, great products will be ordering again soon. Thanks again.”  Richard

I can't believe how good the Archoil AR6200 additive is.  The car runs smoother and getting at least an extra 6mpg around town and only adding 5ml per tank!  Looking forward to using the Archoil AR6400-D to give it a good clean through. Kind regards, Matt

Hi Andy, you will be glad to hear on my friend's Ford Mondeo 2.0L diesel with a DPF (DW10BTED4 engine) it gave a solid 10% fuel economy improvement and restored the car's original responsive and engine note/noise.  Thanks!  Regards, Istiaqu

The previous average for the E320 CDI before an oil change plus addition of the additive was 27.5 MPG according to the trip computer.  After driving 800 miles with the additive - with the same driving pattern and same brand/grade of oil used - the MPG has climbed to an average of 30.5 MPG - just over a 10% improvement so I'm well pleased.  When will you be launching this product and do you have any more info on it you could send me?  Regards, Danny

What a great purchase, I have tried a few products and I can honestly say what a product. After just a tank full of fuel what a difference ! The car sounds quiet, crisper on the throttle response and is giving an extra few miles. I fully recommend this to anyone, as they say "Probably the best treatment on the market". Used on BMW 525 Sport. Please add to your testimonial if you wish kind regards Milan.

When I first acquired my car it had done 122k miles and i did not expect major improvements, but after using every 2nd fill I have been able to change from 44 mpg to 48mpg and the car is now at 131K.  Thanks! Best regards, K Smith


Hi, just tried the AR6400 in my merc AMG and has resolved the misfire.  Used to but 44K but will now use this as it works just as well and is easier to pour into the tank!  J Edwyn

Just to say thank you, and although too early to judge any improvements on car or boat, I am so impressed with your company care, I have sent details to my brother in Guernsey. Regards, M Wiggins


Comments: Can't believe it, have only done 15 miles of mixed driving (around town, and a short blast on the motorway), and the engine has stopped "juddering" when idling. Will leave further feedback next week, if that's alright. Fingers crossed.  R Dunn

I'm just writing a quick email to let you know the results on using your diesel treatment, received on the above order number.  We recently bought a low mileage 2010 Kia Sportag 4x4 with 6k miles on.  The Kia dealer said that an elderly gent had owned it since they supplied it and it had been used for pootling around in.  When we got it home and started using it, it felt like it needed a really good clear out.  I gave it a motorway run but it was still hesitant, especially when setting off in 1st and then moving up to 2nd and so on. Anyway, I used it as instructed.  Put it in the tank and then filled up.  I felt a difference in just a few miles but couldn't quite believe it and thought I might just be wanting it to work too much so I waited until I had driven 250 miles and then I took my husband out in it.  He couldn't believe the difference! It is now smoother with no hesitation at all and now feels like the new car it should feel like. We are so pleased and so I thought that I would let you know. Thank you, S Jones

All I can say is WOW!!! After 1/2 tank of gas I have a noticeable increase in power and reduced engine clatter. Seriously, my engine runs and sounds sweet...almost like the Nissan engine was yanked and someone dropped a BMW inline 6 in there. Well, maybe that's a bit exaggerated, but it's quite a bit smoother and better sounding. I also expect an increase in gas mileage, but I won't know for at least a week after I fill up and drive normally on the next tank.

Andy, as you know I have been in the trade for a long time, even longer than you!  I am always amazed by your level of knowledge and expertise. Would you like a job?  I know your job is a tough one as there is so much crap out there and its refreshing to have a supplier that will only provide the very best solutions for me and my customers but also with the support to match.  We continue to use you for this reason.  Much appreciated, B Roberts (Master Mechanic)

Andy.  Can't see anywhere to write a review on the Web site so here goes. I have nearly used a full tank after putting your product in my Seat Exeo 2.0 litre Dsl(143ps). It had done 9500mls from new so should not have been too bad in any case, but after only a few miles it was a different car, quieter/smoother/more responsive etc. I only do about 8/9000mls per year so will make sure I put some in every year from now on.  It is brilliant, give it a try and you will be amazed at the difference.  This stuff is not your average DIY bull*** crap.  Dave.C. Oxford

Good morning, I have now been using your products for a few months now and I would like to say... they do deliver!

Excellent service. Thanks.

Excellent item with very quick delivery...AAAAA+++++++++

It really works. thanks.

Great Item!!!! Many Thanks!!!Fast Delivery!!!

Fantastic item had the desired effect does what it says on the tin

Speedy delivery. The product seems very effective too


Quality product. Super fast delivery. Thank you

Excellent product, even better seller!!!

Could not believe the performance this stuff gave my car... very recommended

WOW - this diesel treatment worked noticeably within 10 miles !! Excellent AA++

Works great sorted running problems on my Evo 8 great stuff

Professional service, fast delivery. would buy from again!!!! 5*****

Prompt del, 5 yr mini, about a 1/3 of tank thro & idle has smoothed a bit so far

Rapid delivery as I have come to expect from this A1 seller

First class! recommended to anyone

RUN 2 TANKS THROUGH-DEFINITE IMPROVEMENT IN EXHAUST SMOKE-SMALL MPG GAIN


Good product. Stopped the car stalling and runs much more smoothly.

Too fast for business...wish all sellers were just like you, extremely fast postage

Stripped out all my gum in the throttle body A++++++++++++++++++++++++++

Great service, Amazing product my engine is so much more responsive and smoother

Bough 2 items - did job perfectly. Does exactly as it says on the tin! – Thank U

Used it in my van 106,000 miles, has made a difference


Came quickly thanks A++++ All good condition and works too! Very pleased.

Top item fast delivery. and recommended for any high powered car.

Good stuff does wot it says get better by the mile

Engine stopped smoking under hard acceleration, seemed quieter as well.


Good item fast delivery. Works well. Best octane booster around

Fast recorded delivery, does what it says on the can! – Thanks


Got here before I ordered it !!!!!!!!!!!! (almost) ++++ Best service ever ++++++

Very fast delivery. Ordered afternoon, delivered next am. Excellent service!

This stuff really works! Smoother engine after just 20 miles. Fast delivery too!

WOW!! Lightening delivery paid yesterday afternoon got it this morning A1 seller


Does what is says on the tin, highly recommended, thanks again

TOP QUALITY, WORTH THE EXTRA MONEY A + + +


Above are just a few of the many testimonials we have received from customers using our products.

We always welcome your feedback so please share your experiences with us!


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