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Redex 250ml fuel system cleaner for 90p @ Tesco petrol station.
Redex 250ml fuel system cleaner for 90p @ Tesco petrol station.

Redex 250ml fuel system cleaner for 90p @ Tesco petrol station.

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These were posted 2 months ago at this price. I tried to make those posts hot again but doesn't seem to be working. So posting this again as the promotion is back on at the petrol station. I'm assuming the same deal exists in-stores too.

Not sure when it started or how long its going to last, but stock up. For 90p you can't go wrong if you've got a carbed engine. Picked up 4 bottles to treat the motorbike.

Good luck.

60 Comments

I can't belive nobody has slated this product yet!

deb8z;6502144

I can't belive nobody has slated this product yet!



Why - is it that bad?

turdburglar;6502369

Why - is it that bad?



I've no idea but i've seen a few deals for this in the past and all the subsequent posts by people who are for and against it,it can get rather heated!

Yep usually boils down to the "snake oil" people and the "i've tried it and I think it does something worthwhile" people. At 90p you can't really complain so long as it doesn't kill your car.

i no expert but ive used redex in the passed not really noticed any difference in the car good or bad??... ive also heard that cleaning agents are in the fuel today anyway so no need for this??

Redex is good for 'intense' cleaning but if you chuck it in with a tank of fuel it does nothing I think. If you take the air filter off and (get someone to) rev the car, then pour the redex in to the air intake, it does indeed clean it and saves you taking it out. It will only need the clean if the carb is dirty, if you live in a busy place and you find yourself in traffic (a lot of ticking over causes carbon deposits), you might notice some difference. Who knows? At 90p you can't go wrong... nice find!

Does this stuff break your car?

Smithers37;6502863

Redex is good for 'intense' cleaning but if you chuck it in with a tank … Redex is good for 'intense' cleaning but if you chuck it in with a tank of fuel it does nothing I think. If you take the air filter off and (get someone to) rev the car, then pour the redex in to the air intake, it does indeed clean it and saves you taking it out. It will only need the clean if the carb is dirty, if you live in a busy place and you find yourself in traffic (a lot of ticking over causes carbon deposits), you might notice some difference. Who knows? At 90p you can't go wrong... nice find!



Good old carb cleaner

How many modern cars have Carb's to clean?

Good deal.
Redex is best used on older cars.
Heat added

Muck and Magic!

Ginglemonkey;6502895

How many modern cars have Carb's to clean?



Not many modern cars, but there are still alot of carb based bikes around. It's only the last few years where EURO emissions have forced manufacturers to look at abandoning carbs. Bikes are a few years behind with emissions regulations (thankfully).

However, even on my carb bike I wouldn't bother with this. The cleaners in good quality fuel do just as good, and if the carbs are gunked up from short journeys, its better to just get in there and clean them properly with some carb cleaner. Or at least get a shop to do it!

Deb8z was spot on, this is a regular visitor and always sparks a bit of a debate...

Smithers37;6502863

Redex is good for 'intense' cleaning but if you chuck it in with a tank … Redex is good for 'intense' cleaning but if you chuck it in with a tank of fuel it does nothing I think. If you take the air filter off and (get someone to) rev the car, then pour the redex in to the air intake, it does indeed clean it and saves you taking it out. It will only need the clean if the carb is dirty, if you live in a busy place and you find yourself in traffic (a lot of ticking over causes carbon deposits), you might notice some difference. Who knows? At 90p you can't go wrong... nice find!



I used to do this with my cars back in the day. Best thing was the massive clouds of white smoke it used to pump out for a while after.

They did run a bit smoother, though.

For 90p, it's worth a whirl, might shift some deposits, might improve MPG a bit.:thumbsup:

My car is fuel injected - it failed the emissions test for its MOT, after putting this stuff in and a few miles later, it passed no probs.

So it worked for me!

Smithers37;6502863

if you live in a busy place and you find yourself in traffic (a lot of … if you live in a busy place and you find yourself in traffic (a lot of ticking over causes carbon deposits), you might notice some difference. Who knows? At 90p you can't go wrong... nice find!



If you do a lot of short journeys try the good old Italian tune up. Get on a quiet dual carriageway / motorway and thrash the nads off it for a while :thumbsup:

Supposed to work especially well on diesels, and in combination with some sort of injector treatment.

Smithers37;6502863

Redex is good for 'intense' cleaning but if you chuck it in with a tank … Redex is good for 'intense' cleaning but if you chuck it in with a tank of fuel it does nothing I think.



The instructions tell people to add this to a full tank of petrol. Either way, it's very much a marmite product.

Cuddy;6503189

Either way, it's very much a marmite product.



So good on crackers or toast ... ? :roll:

They've just put out a report on fuel additives in Whitch?.
Basically youll get better performance from your car by making sure your tyre pressures are correct, than wasting your money on these.
"none of them were significant enough to result in noticeable improvements."

While I'm not going to cold this im pretty sure the car mags did comparisons on these sort of products and the effect at best was negligible.

Your better off using stuff like Shell V Power which cleans the engine internals and cars generally get extra miles per tank with the stuff

I can only speak about my own experience which shows that fuel additives definitely do work!

I have a diesel engine which was spewing out black smoke and when I got it serviced the mechanic put in a bottle of FORTE fuel additive. At first it didn't seem to make any difference but 6 weeks later the engine is back to full health, no more black/grey smoke, clean injectors and better fuel economy.

I drive an old diesel car (see profile pic) around London (so not good driving conditions with all the stopping & starting) & it does start chucking a lot of smoke out the back on start up. I always put a bottle of (diesel version) Redex in the tank & take it on a long drive where at intervals I put it into a low gear (2nd) & really rev it (not into the red zone though) to clean out the engine. It works a treat & always passes its MOT first time!
Incidentally as an aside I have also noticed that the car does seem to run a lot smoother with a bottle of it in the tank too. It isn't something I use all the time, but I do it periodically & it does NOT damage the car - on the contrary, it seems to run a lot better with it in!
HTH.

To be honest at 90p its a bargain and if it fails to work then you have lost 90p no biggy.

Redex is just 95% parafin with 5% ATF (automatic transmission fluid ) (which gives it the red colour ) its a throwback product of the 70's when engines didnt run as hot as they do now
and tended to get all choked up with carbon deposits.
It did have some effect if you chucked a load into the carb while the engine was running ,
it made the engine run hotter which could possibly get rid of
carbon deposits.
Not really needed now due to better additives in petrol and better engines

vtailor;6503282

I can only speak about my own experience which shows that fuel additives … I can only speak about my own experience which shows that fuel additives definitely do work!I have a diesel engine which was spewing out black smoke and when I got it serviced the mechanic put in a bottle of FORTE fuel additive. At first it didn't seem to make any difference but 6 weeks later the engine is back to full health, no more black/grey smoke, clean injectors and better fuel economy.



To be fair, Forte products are known to be one of the top in the industry, and are proportionally more money (not to mention trade-only *cough* *eBay*). I used to use Redex from time to time in my old Corsa - no miraculous results but for 90p...!

It's great in a petrol lawnmower to keep the jets from clogging up, particularly over winter. I've been using it in mine for years and it runs sweet as a nut.

Thats a good idea about the petrol mowers, ours clogs up now and then..... Could try it in there.... How much do you normally use?
Thanks

This company has gone right downhill, the last bubble bath had with this stuff was rubbish !

I love it how people try to justify not spending 90p on a bottle of this stuff which does the same job as the fuel that's 10p a litre more than unleaded. If your choice is V-power for an extra £4 a tank, or normal unleaded and some redex for 90p more a tank, that soon adds up to a big saving. Hot.

twe;6503740

Thats a good idea about the petrol mowers, ours clogs up now and … Thats a good idea about the petrol mowers, ours clogs up now and then..... Could try it in there.... How much do you normally use?Thanks


I stick a capfull in every 2nd or 3rd time I fill the mower and a couple of capfulls in before I do the last mow of the season. I don't empty the remaining fuel out so this larger dose seems to stop the shellac clogging the jets up over the winter. It does get a bit smoky when you next start it up but it soon subsides.

But generally best if you just avoid supermarket fuel. Its the lowest grade and doest have the cleaning agents such as BP Ultimate and Shell V-Power.

Redex - I ve not heard from them since Cotton eyed Joe!

Great way to help pass an MOT if the emissions are a bit high. Worked for me a few times, good price, hot.

simonts;6503269

Your better off using stuff like Shell V Power which cleans the engine … Your better off using stuff like Shell V Power which cleans the engine internals and cars generally get extra miles per tank with the stuff



rednax86;6503878

I love it how people try to justify not spending 90p on a bottle of this … I love it how people try to justify not spending 90p on a bottle of this stuff which does the same job as the fuel that's 10p a litre more than unleaded. If your choice is V-power for an extra £4 a tank, or normal unleaded and some redex for 90p more a tank, that soon adds up to a big saving. Hot.

If you use a decent fuel, it'll have the cleaning additives that make this product redundent anyway. It doesn't have to be V-Power. All fuels will have an additive pack that will contain a cleaner added, it's just that Shell feel the need to advertise it with V-Power.

redmanphil;6504160

But generally best if you just avoid supermarket fuel. Its the lowest … But generally best if you just avoid supermarket fuel. Its the lowest grade and doest have the cleaning agents such as BP Ultimate and Shell V-Power.

All supermarket fuel come from the same refineries as the 'branded' stuff, there is no difference (do you really think the supermarkets would spend money having their fuel 'watered down'?). Supermarkets can just sell it cheaper (not much in most instances) as they subsidise it with the groceries they sell.
I have to use the high octane fuels in my car as it will go pop if I didn't. I choose to use Tesco 99 (produced by Greenenergy) as it has the best properties for they type of engine my car has, even when compared to V-Power. This may change next year though as Shell are introducing a new high octane fuel to the market...

It might interest you to know that Morrisons have E85 fuel available at a few of their forecourts and that has properties akin to race quality fuel.

Back on topic, don't waste your money on this stuff if it's for a modern car. It is just another 'snake oil'.
If you do have high emissions come MOT time, you're better off just taking the car for a good blast before hand (nothing illegal, just sustained high engine speed), as mentioned earlier. :thumbsup:

Paul

Ahh memories, I learnt about stripping down an engine after using this. I had to re-ring my old Honda XL125 ?(which wasnt t hat old at the time) after using this.

0.45P at my local Tesco, Whiteley near Fareham.

redmanphil;6504160

But generally best if you just avoid supermarket fuel. Its the lowest … But generally best if you just avoid supermarket fuel. Its the lowest grade and doest have the cleaning agents such as BP Ultimate and Shell V-Power.



LOL !!!! :w00t:

This product is a cleaner.
If you put fuel in your car which already has a cleaning additive in it, then it's not going to be much good.
Whenever I've used it, I've found the car the runs smoother.
I remember the first time I put it in the carb on an old car.
Went off down the road, and had huge clouds of smoke behind me for a couple of miles! lol

Begs the question on a crappy old engine or lawnmower could you not run it purely on this stuff and cheaper than petrol :thumbsup:

simonts;6505020

Begs the question on a crappy old engine or lawnmower could you not run … Begs the question on a crappy old engine or lawnmower could you not run it purely on this stuff and cheaper than petrol :thumbsup:


This is £1.80 a litre so not cheaper than petrol. :thumbsup:

And even if it was cheaper you couldnt.

simonts;6505020

Begs the question on a crappy old engine or lawnmower could you not run … Begs the question on a crappy old engine or lawnmower could you not run it purely on this stuff and cheaper than petrol :thumbsup:



That begs the question....................did you go to school?
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