Redex Fuel System Cleaner (Petrol and Diesel) - Half price now £1.80 at Tesco - HotUKDeals
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Helps increase fuel economy
Cleans injectors
Helps restore performance
Reduces emissions
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Ashamuk Avatar
6y, 5m agoFound 6 years, 5 months ago
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#1
http://a.imagehost.org/0992/photo.jpg
#2
Do you know if this is all stores? Cheers
#3
Haylhoo
Do you know if this is all stores? Cheers


no idea mate, just saw it as i was gettin a few bits as i needed a new magic tree air freshener i saw it :thumbsup:
#4
I think it is as I saw it in Bury St Edmunds today (along with 1/2 price 2L Castrol oil)
#5
Was available in Durham store when I was there yesterday
#6
I got mine in Coulby Newham, in North East, so looks like its nationwide.:p
#7
Do products like this actually work or are they a gimmick?
#8
Works in garden stuff,mower,strimmer etc.
#9
picked up the diesel one yesterday in Hexham Northumberland.
#10
HappyShopper
Do products like this actually work or are they a gimmick?


It does works,helped me to save money on service.And at this price you never go wrong.
#11
Rimi
It does works,helped me to save money on service.And at this price you never go wrong.


How so? I thought a service was usually a fairly fixed price...?
#12
smokieUK
How so? I thought a service was usually a fairly fixed price...?


A fuel cleaner through your car's system is something they often try and add onto your service and charge you extra for, and much more than £1.80 as well.
#13
Generally thought of as on par with most premium fuels and their additives - helping the engine to burn the fuel more efficiently and cleaning it slightly, as discussed on here numerous times before.
Probably not too bad at this price but I wouldn't pay any more for it, just put a tank of branded fuel through every 1 in 5 or so. As for saving on your car service, you can ask them what to do/not do, so save paying for anything over the odds!
#14
yes i got some cheep mobil 1 for £30 and told volvo what to do with their £80 oil
#15
Watched a episode of fifth gear, i think, and they tried these products in lab conditions and they made no difference or made the over all mpg worse than just using your normal fuel but each to there own....
#16
Hot deal :thumbsup: appears to be nationwide too, already mentioned here.. http://www.hotukdeals.com/item/700613/castrol-gtx-engine-oil-10w40-5-50-2
#17
Picked one of each up @ tesco llansamlet this afternoon.
If you haven't used redex before, make sure you read the bottle.
One application should go a full tank. (application marked on side of bottle neck)
This stuff made a big difference in my old N reg Corsa a couple years ago, used it in every car since.
Difficult to measure the exact results, should notice an increase in power (restoration of power) as the fuel system and injectors have less crap in/on it.
I try to use better quality fuel as and when I can (1 in 6 tanks), can be worth the extra pence per litre on a long journey.
Also worth changing your vehicle's fuel filter annually (depending on milage) they are cheap if bought direct from a motor factors (they're not just for trade customers!)
#18
i tried it last month for petrol engine and it didnot make any difference. Yes! but i dont if it had make any difference to internals of engine.
#19
Gimmick in everyday use ..... but, chuck a bottle in the tank a week before your MOT - it makes a big difference to the emissions (well, it did with me!).
1 Like #20
Whilst its difficult for people to know whether these things are gimmicks or not, there is one thing that is worth people knowing......

Fuel, especially cheaper grades sold by the supermarkets have higher concentrations of moisture. Over time, this can build up in a car's fuel tank (so for example you may get a new car and its fine for the first 3 years, and then the 4th year your car develops problems).

One of the common problems is the error message on newer generation diesels:
'Presence of water detected in the diesel filter'.
Whilst newer cars are much more efficient at processing diesel in the engine, they are also a lot less tolerant to moisture.

Additives such as STP Diesel Treatment every now and again can convert the moisture in the fuel tank into a weak fuel. I'm pretty sure that Redex will do the same. Those that drive lorries will know that their fuel is regularly treated to ensure these kind of problems do not occur.

So, in essense, the newer your car, the more likely that these treatments are likely to have an effect, whether its getting rid of problems which don't exist in older engines or small improvements that also don't affect older engines.

With these treatments its good to add them every 5000 miles or so, so if you were using STP Diesel which is about a fiver, its the same cost as filling up on premium fuel once in a while (which would also add about a fiver to your fuel cost). Which is better, you decide.

However, I'd say that if you have a fairly new diesel (TDi), add one in as you get close to the cold winter months and one in the first two months of the next year.
#21
Redex does work....but i wouldn't use it, not unless my car was a complete dog that was failing its mot on emissions for example. Personally i wouldn't put it in a car unless i absolutely had to.

Funnily enough on the subject of redex adding brakefluid to your petrol has a similar effect, it cleans injectors etc but yet they don't advertise it as such...perhaps it has something to do with the fact that brakefluid costs a fraction of what redex costs?

The mobile 1 comment made me chuckle too 30 quid for oil :whistling: well it could have been worse, you could have paid the 80 pounds... but i'd imagine that included an oil filter change and labour,which having seen the location of some oil filters on some cars is well worth it.


anyway yeah...i wouldn't recommend it nor would i recommend the brakefluid trick good price compared to everywhere else though.
#22
Gimmick!! Though hard to prove either way. Didn't work for me on my old car.

I heard of someone who used some and their engine failed.
#23
jonny_l
Watched a episode of fifth gear, i think, and they tried these products in lab conditions and they made no difference or made the over all mpg worse than just using your normal fuel but each to there own....


Its true... these dont really work. if you want to clean your fuel system out, put in half a litre of Diesel in a full tank of Petrol, yes thats right Diesel.. thats all it takes.. Most of these products are just watered down and diesel with colouring in.

But DONT try put Petrol in a Diesel engine as you'l just blow ur pistons and ruin your car.
:thumbsup:
#24
nice!
#25
khanm50
Its true... these dont really work. if you want to clean your fuel system out, put in half a litre of Diesel in a full tank of Petrol, yes thats right Diesel.. thats all it takes.. Most of these products are just watered down and diesel with colouring in.

But DONT try put Petrol in a Diesel engine as you'l just blow ur pistons and ruin your car.
:thumbsup:


Anyone who tries this on their car based on this post deserves the outcome... :?
#26
khanm50
Its true... these dont really work. if you want to clean your fuel system out, put in half a litre of Diesel in a full tank of Petrol, yes thats right Diesel.. thats all it takes.. Most of these products are just watered down and diesel with colouring in.

But DONT try put Petrol in a Diesel engine as you'l just blow ur pistons and ruin your car.
:thumbsup:


i actually add PETROL on my diesel car but only upto about 10%. it runs on vegetable oil though...:whistling: some diesel cars can run with petrol in the tank as long as it is not above 10%.
#27
on older cars take the spark plugs out and poor a small amount in leave for 15 mins then put a cloth into the holes and crank the engine a few times
Replace the spark plugs and start the engine, you will get loads of crap out the exhaust with is all the carbon burning off,
will run much smoother after
#28
Covert Recon;8873649
A fuel cleaner through your car's system is something they often try and add onto your service and charge you extra for, and much more than £1.80 as well.
Doesn't prove anything about whether their "fuel cleaner" or yours actually works though.
cliff cheese;8874829
This stuff made a big difference in my old N reg Corsa a couple years ago, used it in every car since.
So because it worked (how?) on one specific car you now use it all the time? That's not exactly a logical thing to do.
Difficult to measure the exact results, should notice an increase in power (restoration of power) as the fuel system and injectors have less crap in/on it.
Exactly - it is "difficult to measure" the exact results of magic fairy dust, but because you're using it you're convinced it's doing something. It's called the placebo effect.
I try to use better quality fuel as and when I can (1 in 6 tanks), can be worth the extra pence per litre on a long journey.
What's "better quality fuel"?
AMO1980;8875376
Fuel, especially cheaper grades sold by the supermarkets have higher concentrations of moisture.
Is that true, or is that merely misinformation pumped out by those with interests in traditional garages to try to persuade you to use them? Is there any significant difference in price between the two anyway, and if not, why would supermarket garages be using "cheaper grades" of fuel?
(so for example you may get a new car and its fine for the first 3 years, and then the 4th year your car develops problems).
I'm sorry but that sounds like classic scaremongering to me - if someone is savvy enough to realise they're being conned, then try to scare them with unprovable alegations about horrible things they're storing up for the future.
Whilst newer cars are much more efficient at processing diesel in the engine, they are also a lot less tolerant to moisture.
I'm sure you're right there but I would still like to see the proof that "supermarket" fuel is worse in this regard.
#29
junkenstein73
on older cars take the spark plugs out and poor a small amount in leave for 15 mins then put a cloth into the holes and crank the engine a few times
Replace the spark plugs and start the engine, you will get loads of crap out the exhaust with is all the carbon burning off,
will run much smoother after


pour what in diesel?
#30
B0GiE;8877912
pour what in diesel?
Magic fairy dust of course.
#31
SHADYWEASEL;8878024
What was the point of your post?
To stop people wasting £1.80 on magic fairy dust. I would have thought that was obvious. :?

And now maybe you can remove the posting you made 15 minutes earlier where you quoted me in entirety without adding anything?
#32
the petrol redex fuel system cleaner and the injector cleaner have been 95 pence yes 95 pence in barhill tesco garage and milton garage in cambridge for around a month now dont know why, at 1st i got the girl in milton garage to check the price as thought it was an error but she said no thats the price, ibought 6 bottles of it.
the diesel redex was £3.99:?
#33
B0GiE
pour what in diesel?


redex:thumbsup:
#34
Still showing £3.60 tesco in Pembroke Dock,had it scanned it was £1.80 so got 2 for daughters car mine still got another free service on it :-D
#35
An example of better better quality fuel= shell V-power diesel/petrol.
Fuel pumps calibration and fuel grade have to be signed off by trading standards too.

As to exactly how redex worked in my old car, basically I took the advice of several trusted mechanics as the car had lost a lot of power. By eliminating other possibilities they advised it was most likely the injectors or/and a contaminated fuel system, most probably due to repeatedly running the tank really low and it pulling sediment through.
All I intended in my previous post was to briefly explain that it had worked without being boring.
I couldn't tell you the exact result as nothing was accurately measured before and after.
Basically the car didn't backfire and had alot more power (measured by the wife swearing at me overtaking other cars I couldn't do before! as depressing my right foot made the car go forward quicker than before)

Prevention is better than cure, that is why I regularly use this product.
I suspect different people do have different results by using redex, that is why I've said it has worked for me and not " it will work for everyone"

Any mechanics who can post? Someone who deals with diagnosing faults on cars might be able to shed some more light on this product.
#36
Yeah I've also heard this type of product is essentially diesel/kerosene based and a complete waste of money, especially, with all of the included detergents in fuel sold these days.

I've used them based on free (after rebate) offers (in the USA) and have not observed any benefit whatsoever. :oops:

Of course the placebo effect might work from some...:whistling:

As they say, "Your mileage may vary"...:-D
#37
I use it in my mx-5 after recommendation from my garage when it failed the MOT on emissions. I put it into a full tank for 99 unleaded before the MOT and it passed yesterday first time - and thats without a service in the inervening year...coincidence?
#38
pibpob
Is that true, or is that merely misinformation pumped out by those with interests in traditional garages to try to persuade you to use them? Is there any significant difference in price between the two anyway, and if not, why would supermarket garages be using "cheaper grades" of fuel?
I'm sorry but that sounds like classic scaremongering to me - if someone is savvy enough to realise they're being conned, then try to scare them with unprovable alegations about horrible things they're storing up for the future.
I'm sure you're right there but I would still like to see the proof that "supermarket" fuel is worse in this regard.


1) Buy a new car and run it for several years just on supermarket fuel.
2) Google is your friend.

There may not be a great deal of difference in the supermarket fuel, but it is purely academic as the main brands put in additives to remove moisture such that this problem is less likely to exist.
#39
AMO1980;8881030
1) Buy a new car and run it for several years just on supermarket fuel.
2) Google is your friend.
You made the allegation - you have provided no proof of it. So I will conclude you don't have any.
#40
Why not just run V-Power or BP Ultimate ?

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