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Item: 523316

Redex Diesel Advanced Fuel System Cleaner


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  • Redex Diesel Advanced Fuel System Cleaner

    The Redex Diesel Advanced Fuel System Cleaner is an intensive clean for fuel injectors, to increase fuel economy and boost performance.

    Redex Diesel Advanced Fuel System Cleaner Extra Info

    • Cleans injectors
    • Saves fuel
    • Reduces emissions
    • Enhances acceleration
    • For use as an intensive clean or if you've never used Redex
    • Use every 3000 miles
    *Please note the packaging may vary in store or via delivery
  • Rated 4.4 out of 5 by 5 reviewers.
    Rated 5 out of 5 by Won over this additives sceptic I usually run my 15 year old VW van on premium Shell diesel when I fill up near home. When further afield I'll use whatever filling station I'm close to such as ASDA or other supermarket. The van feels sufficiently better on the Premium stuff that it's worth it once every two or three fill ups. However, I recently put a fullish tank of supermarket fuel in and quite soon the van didn't feel great. Sluggish, little power, and 'scratchy' acceleration making it feel like a dog in low gears. After driving around like this for a while I decided it must have been the fuel and bought a bottle of Redex Diesel Advanced Fuel System Cleaner. It says it needs 50 litres of fuel in the tank and as I was a little shirt of this I topped up with some Shell premium. Just diluting the poor quality fuel with the Shell Nitro made the van start to feel a little more its old self but it still wasn't very happy. I popped in the Redex Diesel Advanced Fuel System Cleaner and drove on. All I can say is WOW. I was a fuel additive sceptic for the most part but this stuff worked miracles. Masses of extra power, engine noise reduced to a pleasant smooth purr, instead of a scratchy tractor and instantaneous starts. It was like driving with a brand new engine and the effect improved as I worked through the tank of fuel as the miles rolled by - incidentally it worked wonders for MPG too. When I filled up again with Premium fuel the effect was still largely there. This suggests the engine did get a decent clean out from the Redex and the product isn't just a temporary sugar rush of go-go juice. They say it can should be used every 3000 miles. I was impressed enough that I bought some of the cheaper regular Redex (which can be used every tank) to keep on hand next time I'm forced to fill up with questionable fuel. 21 March 2016
    Rated 4 out of 5 by Branded product Thsi is a standard branded product from Redex & supplied by Halfords. I have no comment to make on the quality of the product nor on the pricing compared to other retailers 03 January 2016
    Rated 5 out of 5 by Amazing results Just bought an 08 Subaru diesel Outback with 110k+ miles. It smoked a bit on hard acceleration, On cold startup it set up a fog bank around the car and sounded as though there were some spare nuts and bolts in the engine. Once warm it was fine. I threw some of this redex in a week and 100miles ago. Smoke has gone, noise on cold start no worse than any other diesel, and it is much smoother at low revs. Every day I've warmed it up and taken it up the snake pass allowing extended full load acceleration. On day three it would have made a battleship proud of its smokescreen, but thats all gone now. 23 March 2015
    Rated 5 out of 5 by Redex Diesel Advanced Fuel System Cleaner This product is amazing a bit expensive although if you have an old diesel like me and you find the CO Emissions have failed the M.O.T Well there is no need to worry just buy this and add it to your tank as long as you have a quarter of a tank of fuel or less then take the car for a 70mph run down the moterway for about 45 mile round trip by the time you take the car back for it's retest not only will your engine be smoke free but it will pass the Emissions test. Try it for yourselves my old car passes 1st time now and has done for the last 3 years. This product is a winner and saves your moter from going to the crusher. It will save you in the long run believe. 01 April 2013
    Rated 3 out of 5 by Too early to tell I've only just put it in my car, so no idea if it works or not, seems a bit expensive for what it is though. 01 March 2013
    • 2016-05-24 T11:48:26.246-05:00
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    1-5 of 5
  • You can buy this product from one of our carefully selected Approved Partners. The full list of options available are below. Simply add your chosen option to your basket and proceed to checkout when you're ready.

    You can purchase products supplied by Halfords and selected other suppliers on

    Checkout is always via and all payment will be taken via In checkout the products will be split into separate deliveries for each supplier.

    Showing 1 - X of our buying options
    Price Seller Info Purchase

Some of the parts we sell here at Halfords have been reconditioned. These will carry a Refundable Deposit or an extra surcharge amount. When you add one of these reconditioned items to your basket, we'll add this extra cost automatically.

Once you've sent us your old item we'll check it over, and then refund you the full surcharge as long as everything is ok.

Before you return your old unit please make sure it's in re-serviceable condition. So if you're returning caliper casings, you'll need to double check they aren't badly damaged or broken. If the part you've sent is found to be unserviceable, we reserve the right not to refund the surcharge.

Please note that if you're returning your old unit to our National Returns Centre then this will be at your own expense.

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Redex Fuel & Oil Additives

Redex Diesel Advanced Fuel System Cleaner

£16.99 Save fuel with an intensive clean from Redex