Unfortunately, this deal has expired 18 May 2023.
Redex Diesel Fuel System Cleaner / Redex Petrol Fuel System Cleaner - 250ml - Two shots - £2.50 each free collection @ Asda
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Posted 21 April 2023

Redex Diesel Fuel System Cleaner / Redex Petrol Fuel System Cleaner - 250ml - Two shots - £2.50 each free collection @ Asda

£2.50
Asda Deals
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Redex Petrol System Cleaner removes harmful deposits that build up in the fuel system, leading to better performance and reduced emissions.

• Reduces emissions
• Helps to improve the life of your engine
• Restores performance
• Suitable for all petrol engines


Redex Diesel System Cleaner removes harmful deposits that build up in the fuel system, leading to better performance and reduced emissions.

• Reduces emissions
• Helps to improve the life of your engine
• Restores performance
• Suitable for all diesel engines
Asda More details at

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Edited by a community support team member, 21 April 2023
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35 Comments

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  1. Mr_Chondo's avatar
    Mr_Chondo
    snake oil. Just use a tank of v-power every 4th or 5th fill-up.
    joedastudd's avatar
    joedastudd
    Assuming the premium fuel is 10p/l more than regular and it's a 50l tank your paying £5 rather then £1.25 of this...
  2. Onlydongles's avatar
    Onlydongles
    Do these really work ?
    TokyoGhoul's avatar
    TokyoGhoul
    Better off with this... Both petrol and diesel versions I used and they really work. BG44K (Petrol) BG244 (Diesel) are also worth considering. Premium Petrol and Diesel fuels also help to clean and maintain the whole fuel and combustion system due to there additional additive packages over regular fuel. If you run a Petrol vehicle and you want "PURE" fuel, then choose Esso Supreme Synergy as even though it states on the pump E5! It's actually not. They have to lable it this way by law as far as I'm aware
    50025795_1.jpg (edited)
  3. Banshee22's avatar
    Banshee22
    imo Redex is weak stuff.you might as well use super/premium fuel so you'd get less alcohol mixed and higher ocnae as well as some cleaning agents.

    but if you want proper stuff get BG 44K.
    expensive but it actually works and been around for decades.
    Made in USA.

    50027374-BhRKz.jpg
    TokyoGhoul's avatar
    TokyoGhoul
    Used these on many of my cars. BG244 for diesel is fantastic stuff that really works. Load of PAO in this stuff 👌
  4. YourUserNameIsTaken's avatar
    YourUserNameIsTaken
    My petrol lawnmower is chugging. Would this stuff be worth a try?
    TokyoGhoul's avatar
    TokyoGhoul
    Absolutely 😁
  5. happymanuk's avatar
    happymanuk
    How do you get the free click and collect ?

    The link takes me to the groceries side of the Asda website and is only offering me chargeable click and collect or delivery - In the same way as if you were buying your shopping ??

    Along with an additional charge for orders under £25.00.

    Thanks in advance (edited)
  6. Proveright's avatar
    Proveright
    Thanks OP. Similar deal been running at Tesco for while.
  7. BodenWRX's avatar
    BodenWRX
    STP is the much better stuff. Works miracles.
  8. ashmac's avatar
    ashmac
    Couldn’t get the additive in my audi as the fuel opening has a lock plate over the hole , any ideas show to get it in
    TokyoGhoul's avatar
    TokyoGhoul
    50037308-PK2Dq.jpg
    You probably need something like this for under a tennor. I needed one for a Ford S-Max as it has no fuel cap, just a trap door spout that only a fuel pump nozzle opens.
  9. happymanuk's avatar
    happymanuk
    How did people manage to get this with free click and collect ?
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