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Your cart is empty.This fuel system cleaner, added to gasoline, quickly and effectively cleans the entire fuel system, including fuel injectors, intake valves, ports and combustion chambers. Because it provides efficient removal of upper engine deposits, this product reduces problems caused by deposit build-up such as engine surge, stalling, stumble, hesitation and power loss. BG 44K quickly restores engine performance and improves driveability. It will provide quick clean-up of coked fuel injectors and corrosive deposits on the fuel sending unit. It is compatible with all fuel system materials, alcohol-blended fuels, common fuel additives. Contains no alcohol. Catalytic converter, and oxygen sensor safe. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.
خالد
Reviewed in Saudi Arabia on February 24, 2025
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Raymond W
Reviewed in Canada on June 26, 2024
Extremely potent cleaner
Zozee Nonee
Reviewed in Canada on February 1, 2024
Perfect product, I added it to a 70 Litre tank, filled it up, drove around a hundred kilos, I could see the difference in starting, performance and quieter running.
khaled
Reviewed in the United Arab Emirates on October 23, 2023
Really it's perfect. It's the only additive that made a noticeable difference in engine performance. Worth every penny.
Matt C
Reviewed in the United Kingdom on October 11, 2023
I searched lots of petrol treatments to treat my engine and kept coming back to this one. I have recently used it in a Mini Cooper S 2014 which was suffering with a rough idle at cold and some hesitation on acceleration low down in the revs. I used a full can of the treatment in a full tank of fuel, put the contents of the can in your tank before you add fuel to mix it. I am half a tank through the treatment so far and have noticed a difference. Smoother idle on start up, tighter and quieter engine when idling and noticeable increase in acceleration. I am still working the treatment through my engine but so far I am very impressed indeed. This company also do oil treatments (flushes) etc so I may well go down that line as well to give my car some real TLC. I will buy the BG 44K again on my next second hand car as a matter of course I think.
JL
Reviewed in the United States on October 1, 2023
This product is amazing. It does what it says it does. 5-10$ injector cleaners are a waste of $. This stuff is expensive but I pulled a spark plug out and looked into the cylinder before + after using this. Before using, looking down in the hole was just black, after using you could see a shiny silver clean area. It works. I have used in my car and boat with positive results. Don't waste your money on other products. Royal Purple was the only other injector cleaner I've used with actual results but this blows that away. An excellent product that is well worth the money. Everything runs smoother after treating fuel with this. My only complaint is the packaging, you need a funnel if you buy the canned product. They do offer it in a bottle with a long neck that would definitely be more convenient.
Foghorn Leghorn
Reviewed in the United States on October 14, 2017
My 2001 Suzuki GSX1300R Hayabusa sat in the garage for years due to severe orthopedic arthritis that had developed in my shoulders. I would go out and start it occasionally, but one day it wouldn't start and I noticed the fuel pump wasn't pressuring up when I turned the ignition on. Then it sat for ANOTHER few years until I finally had shoulder replacement surgery performed. Some time later, I was in good enough shape to ride again, so I set about the task of restoring my bike. The tank had rusted and the fuel pump was a rusted, locked up mess as well. I cleaned and treated the tank and replaced the fuel pump and strainer. On first start, the bike barely ran on one cylinder. I thought sure I was going to have to spend big bucks to have the entire fuel system and injectors cleaned when I read about BG 44K. I was skeptical because none of these additives had ever worked for me before and I just wasn't buying the "miracle in a can" hype, but I thought perhaps it wouldn't hurt to give it a try. I spoke with BG customer support and explained my situation, and they were very helpful and recommended using the entire can in my 5 gallon tank for the severe problem I described, said it wouldn't hurt a thing. After adding BG 44K to a full tank of gas, I started the bike and ran it on one cylinder until it came up to temperature and shut down overnight to let the treatment soak in. Repeated the next day, second cylinder kicked in! Shut down overnight again and repeated again the next day and the third cylinder came to life. Two more repetitions and all four cylinders were firing. Then I was able to ride my bike again for the first time in many years. It ran a little rough at first, but by the time I had run completely through that one tank of gas with the BG 44K treatment, the fuel system was completely clean and the bike ran strong just as if it was new! I couldn't believe it! I've put another 300 miles on the bike and haven't looked back - still running perfectly with no issues. Highly recommended.
JamieCO
Reviewed in the United States on December 18, 2015
Usually you will hear products being advertised as "Magic in a bottle." As we all know that there is never a magic solution to any of our problems, I can tell you that this is the closest thing to it, fuel additive-wise.I'm the type of person who always keeps up with routine maintenance with all of my vehicles. I get an oil change every 3,000 miles, even if I'm using a synthetic blend. Having said that, I also use a fuel additive every oil change. It may be unnecessary, but it's cheap and it gives me piece of mind. I've never had any major engine/fuel issues, so I'd like to think I'm doing something right.I usually opt for the Lucas fuel additive every oil change that does into the gas tank. From some mechanic friends, this is supposedly a pretty good product. Although I add this every 3,000 miles, I've never really been able to tell a difference performance-wise. The same goes to the other fuel additives I've used in the past.I tried B&G's 44k for the first time, a while back based on a recommendation from a local shop. I've never heard of it before and I thought it was quite expensive for a fuel additive (approx. $20 vs. your standard $3-$5 bucks). I decided to research the product when I got home and I found that it had great reviews.I decided to give 44k a shot. As expensive as it is for a fuel additive, it's still a small investment. I'm glad that I did. This has been the only fuel additive where I actually noticed a difference in performance. Nothing significant (again, there is no such thing as "Magic in a bottle"), but I definitely could tell it was working. I had an increase in MPG and I could feel a little more HP when accelerating.Now, I won't be using this every oil change as it's only recommended once or twice a year. So I'll be using this every 3rd oil change and continue to use the Lucas in between.FYI - I currently drive a 2001 Jeep Cherokee (XJ)
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