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People don't make the mistake that I did on my 99 mustang gt. I put a fuel cleaner in my tank and did not replace my fuel filter first so the cleaner loosened up all the crud that was accumulated inside of my filter and the loosened crud accumulated inside of my injectors and stopped them up, so if you introduce a fuel cleaner into your tank then I would advise you to have a relatively new fuel filter first. Experience is a wonderful and sometimes costly teacher.

Don't sell yourself short. That is absolutely a "scientific test" and you time and effort gave great results. Thanks for putting the work in.

I was a dealership technician for over 20 years and we used BGs products with great success. We would run it directly through the fuel rail while disabling the vehicle fuel pump and it worked great on high mileage vehicles with injector issues.

Thanks for evaluating the BG44K! I've been using it every 10,000 miles in my vehicles and since 1994. When I had purchased my 1994 Mazda Protege I was introduced to it by Pat Goss (from the Car Show), when he conducted a seminar at my Mazda dealership, with a cross section cut of a 1.8L engine, and taught me also how to do a proper intake manifold cleaning. I immediately saw a 10% increase in power from a dead stop, and 2.5mpg fuel increase (after following BG's procedures). You're right, BG chemicals are the bomb! Just don't forget to wear gloves, and have a CLEAN shop rag handy in case you spill any on the paint, because it can eat right through your clearcoat in less than 30 seconds. This was developed specifically for race car and high end vehicles originally that rev at very high rpms, so you can be confident it will work on any gasoline engine (can't speak to 2 strokers). No, I don't have any connection to BG, but I know what works. Btw, I average driving my vehicles 250,000 miles, and with very little loss of performance or mileage, and with combustion chambers that look like they just rolled off of the assembly line. Nuff said!

Been using 44K for more than 30 years as an A.S.E certified mechanic. It absolutely works.

Marvel mystery oil has some cleaning qualities that manifest when it is combusted in the cylinder however, it's main purpose is to provide top cylinder lubrication and lubrication within the moving parts of the fuel system... fuel pump, injectors, etc. I would use BG 44K to clean / strip out the fuel system, then follow up with MMO to lubricate everything. MMO also conditions the rubber parts and seals keeping them from drying out from harsh additives like ethanol in the gas and strong solvent like cleaners such as BG 44K, seafoam etc...AWESOME VIDEO! 👍👍

The BG44 is incredible. My Porsche mechanic added it to my old air-cooled 993 with 1/2 tank of gas and it ran incredible afterwards. My local GM dealer also swears by the stuff.

I am an additive nut. Take my money, just the way I am. I have tried all of these except the Enzymes. In my humble experience, BG44K, Royal Purple Max Clean / Max Atomizer, and Redline SL-1 are topshelf products with monstrous levels of PEA. Older and traditional products like Seafoam and MMO are also excellent. With all of them, I have found that time and frequency is your friend. The more often/longer you run these at the recommended dosages, the better. While some may choke at the price to do this, it is what it is.

BG 44k is a very good product. My mechanic suggests using a can of it in the gas every time he changes the oil, which adds about $20 to the bill. It's expensive, but worth it in my opinion. In 2016, the same mechanic replaced the fuel pump in my 2002 Chevy truck. At that time, he suggested using some Marvel Mystery Oil in the gas. He said that the MMO would lubricate the new fuel pump, and it should last longer. Ever since 2016, I have been using MMO in the gas of my truck, car, and lawn mower every time I fill up with great results. I use the recommended 4 ounces of MMO for every 10 gallons of gas. Both vehicles are running better than ever, and my car now gets at least an extra 1.5 to 2 more miles per gallon on the highway. With Walmart now selling the quart (32oz) size of MMO for $3.98, (it had been $3.88 at Walmart for many years) I am actually saving money using MMO, as I am using less gas.

Marvel's Mystery Oil is good for cleaning crankcases and lifters it works as a fuel additive and upper cylinder lubricant carbon deposit remover but it is by no means a fuel injection type cleaner I love Marvel's Mystery Oil I've been using it for decades it works and it's cheap

I have a Ford Ranger 4x4 with 220,000 miles. I always use Marvel Mystery Oil and it runs better. I put it in the oil and the gas tank

Thanks for the test, one thing I might add ... been hauling Mobil gas for 24yrs now, since merging with Exxon in 2001, Exxon cut Mobil's gas additives in half, it barely meets the minimum for auto makers requirements. Their premium has twice the additives per gallon, which might have worked better in this test. You used to be able to "Drive your car clean" when Mobil was Mobil with twice the additives in the regular. All Exxon cares about is profits, in my opinion.

One thing to note. The fuel cleaners with PEA (polyetheramine) would perform even better in a high temperature environment

dude...you rockkk! thanks for taking the time to do this for everyone! test each brand of injector cleaner to see which actually do a great job! now i know what to buy at the store! you got a major SUB from me

I've been using bg 44k for 20 years as a technician. It has gotten me the best results. And using a non dismantle kit with BG fuel system cleaner has be my go to

For about 1/3 the price I wouldn't mind running the Star Brite Star Tron Enzyme once a month in my tank. From what I can see, it come in 2nd place with out a doubt and certainly cleaned almost as well as the BG44K.

I like all the BG products. Especially the 44k

That BG stuff ain’t no joke it’s expensive but it does exactly what it says on the Bottle

I'm known among my friends as being very cheap so when I was told to try BG44K about 35 years ago to clear up a hard "miss" that was an injector related issue on my 1987 Plymouth Sundance, 2.2 turbo I thought there is NO way I'm going to pay $20 for someones slick marketing. I tried the $3 per bottle, STP injector cleaner, nothing. I was almost ready to take it to the dealership and pay about $400 to have the injector replaced. I went and spent the $20 and by the end of the next tank of gas the miss was GONE! I now use BG44K about every 2 years (I'm still cheap) in all my vehicles and have NEVER had a fuel related problem since!

Thanks for the review I've never heard of BG44 before this.

The BG stuff really did a nice job of cleaning the threads

Best I have seen is berrymans b12 chem tool . But even better is Tulene it's a fule booster also a solvent used to thin paint for road and parking lot stripes so the paint sprays as it's thick like paste . Cleans really well but burns hot and produces benzene in the exhaust. Smells like bandaids or gauze on the exhaust. I run in motorcycles for octane booster.

Awesome video, thank you for helping me decide which to buy !

Marvel mystery oil would work great in a rotary Mazda Rx motor because it's basically a two cycle engine and need a little help. BG has worked well on everything from lawnmowers, snowblowers and many other engines. The true comparison is when you do a before and after inspection of the cylinder with a small camera down the plug holes. Another note is not all of these products combust the same and some leave behind more than they help.

Enjoyed the video. I been using startron for years in my boat. 2 stroke. My spark plugs quit fowling and my carburetor was spotless the 1st time pulled off an 83 Johnson in 20 years. I really like it. Thanks

I use MMO in everything, oil and gas with as few problems as my neighbor who uses seafoam the same way. I save $50 a year with MMO vs others as well.

I used BG44k 2 years ago. Just bought a 2015 Mazda5, 145,000 miles. ($1500) I did not have a check engine light on. Couple of months later I got Check Engine light. Used another bottle. After another month or so Light went off and its been a year. I'm glad I didn't have to have the ports cleaned out by hand.

The starbright at Walmart for $5.94 seemed to do a pretty good job compared to the 27.80 for the 44k. I would have liked to see what seafoam did

Thanks I know what to buy now. Great video.

I would like to have seen Techron by Chevron in the black bottle included. In my 45 years as a Master tech I have seen incredible results. Techron is the only cleaner that is recommended by some manufactures. At one dealership we did use the BG products and they worked very well.

Taaayyoooo!!! Subscribed bro keep the content coming!!

All of my old Volvo's love the Lucas fuel additive 🥰

Like others hase commented below. We used BG 44k at the Ford dealer that I worked at. It is a great product. Marvel works good for older engines with trash in the lifters, and fuel system lube.

BG and MMO are the best from my experience. I actually lean more towards MMO because of the long term effect. It’s proven to be better for continued addition at busting up carbon build up for me. I finally rebuilt my Harley motor last year as it needed a revamp like they all do around that mile mark. I’ve ran marvel in the fuel once a month and in every oil change since I got it. When I say the inside motor looked like it had 5k miles on it.. I’m serious. Mind you, the motor had 63k on it at the time of the rebuild. I was VERY impressed.

Bought a Rav4 that hadn't been maintained for 2+ years. Seafoam and BG are my go to cleaners. Lucas is my go to for treatments. Would've loved to see Seafoam in this test, it was a lifesaver engine cleaner.

I ran Techron through mine and it fixed the flooded-like start after sitting for several day. I have some Berryman B12 coming tomorrow and will use it too just to be sure.

The MMO is just about the same as the BG44 after you run your car it works well with heat no need to waste all that money on it plus it has many uses besides cleaning injectors and spark plugs such as clearing out sludge and unseizing engines. I always swear by MMO as my go to for everything.

This is why I use the BG 3 step. I've done before/after pics of my pistons with an endoscope. It went from being so bad I could barely see where the pistons met the cylinder walls to so clean the tops of the pistons were shiny and I could see the #s stamped on them. I have all the pics saved. I have my Google Drive link if anyone wants to see.

For ther money MMO is by far the best performer!!! I am a fan of gradual cleaning not knocking of huge particles of carbon that may score the piston walls!

Marvel mystery oil has worked great for me

I think the Marvel works slow and steady and better under heat. The bg works within 10 minutes then you drain your oil.

I was impressed with that BG stuff. Good video.

I use 44K, MOA. and EPR for my 2014 VW Passat with 155,736 miles, bought new runs fantastic, knock on wood!

The BG 44k is good ! MMO is good if used continuously and a good upper cyl lubricant ! lucas is good also ! if used continuously ! every fill up ! Nice video !

I can honestly tell you that none of these products do the job nearly as well as Amsoil's P.I. 'Performance Enhancer'. I had a 2004 Monte Carlo that I religiously added P.I. to the fuel tank twice per year. This was in 2010 and it had just under 100,000 miles on the odometer. My wife took that vehicle in for some service, I believe it was something about a belt and fuel filter. They attempted to scare her into paying for a fuel injection system cleaning. She called me, and I drove to that dealership and instructed the tech to push a scope into the intake to observe it's current condition. He took a close look and removed his scope and told the service manager that he had never seen a system so clean with that many miles on it before. I told them to give her the car and she headed home. I then told the service manager to take a hike.

Thanks for putting this test for us. The Saturn dealership used it 1992 on my new SC2 for "fuel cleaner service" . It was $15 way back then, and it worked very well. I have used it in all my used Toyotas two Camrys and two Corollas, 1998 and 2005 Corollas and 1996 and 2009 Camrys. And my 2012 Honda Civic. A really great product that is worth the price.

BG ATC is a miracle in a can. BG InForce is also the best penetrating oil I've ever used. BG products really are great.

You get what you pay for. Been turning wrenches for 30+ years. BG products and Mobile 1 synthetic motor oil are best in their perspective fields.

I've had great success using BG products personally. Using MOA in oil saved my engine from destroying itself from piston slap. MOA used in all vehicles left the internals super clean.

Head cylinder issues misfiring I used bg44k that I call mechanic in a can it made my engine run perfect again truly the best I ever came across

Nice video. I’ve used star tron for years and will continue.

Those cocktail desert bowls don't look to appetizing & will definitely give you gas & heartburn 🥣🤣

For the money.. IMO the StarTron actually won.. based on the cost.

Marvel Oil works. I can tell right away the increase horsepower I got after getting some bad gas from a station. I was looking for Seafoam, but I Marvel was cheap and it did the same as Seafoam.

If I was looking for a 24 hour spark plug cleaner this would be the go to video.

Good video my friend. Enjoy all your content. I too have used BG44 in the past and have great results also. Chevron Techron would be a good solid 2nd place for me also.

The BG 44K was definitely shown to clean up a dirty sparkplug in a dish of gasoline. But it may not mean much about how the product works inside a running engine. Throw in heat and pressure and consider long term effects on fuel injectors and O2 sensors. Does BG 44K do anything negative to the engine or catalytic converter? Who knows but it does clean a dirty sparkplug.

Been using bg44 along with synthetic oil at the dealership since my truck (Nissan Titan) was new. Very happy with this product . Done by the dealership during periodic oil changes.

Thanks 👍 Clearly, the non kinetic cleaning properties excel with the BG44K. I think I’d like that for the best passive cleaning at least. The combustion properties will likely improve I’m guessing with that chemistry.

BG 44k is what most Dealers use.

44K vs BG Injection & Combustion Chamber Cleaner or Fuel Injection System Cleaner. The later 2 are meant to be injected into the fuel rail and they claim to be more potent at cleaning.

For those who don't know, modern fuel has ethanol, which is hydroscopic. it sucks in water from the air. That is why the bowls got cloud pretty quick. After 24 hour they had absorbed. all the water they could, and that is what was in the bottom of all bowls .

BG diesel cleaner is the bomb , saw an old ford escort failing an emissions test , with only one gallon in the tank we added BG to the tank live on the emissions tester , it went to pass in under 3 minutes , no bullshit , 100% true , FORTE products are also very very good .

Project Farm tested fuel system cleaners in running lawn mower engines. The Berryman cleaner did the best.

I just tryed Royal Purp OK will come back in one houran look and wow 🤩 it literally blew my check engine light bulb 💡 out after driving it on freeway for 40 miles and now drives like a dream I thought it was BS but it works better than Lucas FIC for me.

In the UK the Lucas company brand unipart , sold its injector cleaner , it was 99.5% white spirit , same as decorators use to thin down oil based paint and clean brushes . By far the cheapest solution!

Great video, thank you, BG products, are great!

I get what the point of your video is. My suggestion is to try to create experiments that more closely resemble the applicable use. For instance. you should find some dirty used fuel injectors from the junkyard and test their initial output of fuel, then mix the additive with the correct ratio of fuel per the instructions. Next, run the mix through the injectors until the mix is used up then test the flow after. The cleaner injector wins.

Great test Pete! I use BG 44K Platinum, expensive but works! I've Been in the automotive business for 45 years and found this to be the best money can buy.

To clean carbon, (manually) like let's say spark plugs and combustion chambers coated because direct injection... Isn't that a bummer? The cheapest and most powerful solution I have is pure toluene, like BG44 you shouldn't leave that sitting in your fuel system more than a couple hours at most! Just to be on the safe side test new solvents, like pure toluene, on pieces of hose, filters & various plastic scraps, so you'll know what you're dealing with 😊

Great Review and information thanks for sharing 👍

I would agree on BG44k ... but for those who only have time to add it on gas .. i would use B12 chemtool ....

You know I know chemical company know we dont need cleaning additives its already in all our fuel. But it doesn't hurt

I found this review just at the right time. My Audi A6 needs a good cleaning of the injectors (90K miles)

Been using Marvins Mystery oil in both my Mobile 1 Extended Mileage Full Synthetic Oil changes and in my fuel tank for a couple of years now. I also replaced the copper plugs with iridium. The engine revs and purs like a feline. I'll try BG44 on my next fill-up and road trip.

I tried a few different types over the years. From my experience n what I personally noticed n felt in my car was biggest with techron and bg44 . I throw two fuel system cleaners in once a year back to back two tanks in a row and drive it till the low gas light comes on each time . The secret is to run it all the way down to empty and use premium gas with the treatment and keep your rpms high 2nd gear works great for hitting 4000+rpms on the streets speed doesn’t matter it’s all about the rpms freeway driving of course gets you high enough. Bg44 is pricey especially x2 I only used it twice Techron is way cheaper sometimes on sale $12 for two bottles at the zone auto zone. My thumbs downs list is Lucas ,mystery oil, spt or stp stuff seafoam. Seafoam idk I might not have done it right to be honest n fair. My Best advice take care of ur car! Good gas minimum 91 octane and change ur oil and fluids on time well do you more good than any cleaner but the cleaners do have their place, in every tank or every month is crazy tho maybe every 6 months to a year ya know don’t be blow ur cash on them and change your oil afterwards try to do it right before you’re next up coming oil change

I have been trying a few different types in my 1990 Corvette and I've noticed a big difference using royal purple. My Vette seems to like it , so I will stick with it.

I consider this rather a bogus test. As a professional mech and shop owner, we used bg products near exclusively. Next was techron. Near instant results and on a maintenance schedule, there was no further issues. I could take a failed calif smog test car, put 44k in it, go for a 20 mile ride and the car could then easily pass smog. Warning though, none of this stuff can fix a mechanical defect.

Excellent test

Great video thank you

Where I used to work Berryman and mmo were always on hand. Personally I use a cocktail of mmo and top it off with a little sea foam mostly sea foam for fuel stabilizer.

BG products are made local to me so a lot of mechanics use it around here. Always good performance from them

BG is now selling there products to General Motors with gm name on the can. There are now using there fluid machines for coolent, transmission, fuel flushes

Excellent video

Now if you could use combustion and heat this would be real interesting. Maybe a lawnmower with an auxiliary tank (small) and run it through.

Nice job.👍👍

Great info

Wow, I’m very impressed with what BG was able to do, we sell their products at my shop, now I will feel confident knowing that I’m up selling a great product. Thank you.

I put MMO into my diesel fuel and wow it run quite a bit better.Dieel fuel these doesn't lubricate like it used to.Hard on injection pumps.

What, no Lucas upper cylinder lubricant/ fuel injector cleaner? It's all I use in my GDI and works great! 😎

I have been a BG dealer for years and there is no comparison on solvents imo. If you want a good job for your customer use BG kits and do it right! Try their headlight cleaning kit!

Thx!

I had really good luck with BG44K cleaners and ATS 505. Including the ATS oil treatment. especially on old farm equipment that has been sitting for along while. Both are costly for cleaners, buy much cheaper than mechanical work. I carry the ATS and have been known to add it to the gas tank as part of the services.

BG44K ALL THE WAY 👍

I love how high the video quality is of your new videos! Are you planning on shooting in 4K at all?

Worked for Chevy in the 80’s and we used Top Engine Cleaner by GM. Nothing out there worked better.

I've used Startron for years and it's never let me down. It's even kept fuel good I had forgotten about in a smaller gas can for two years. Still even smelled fairly fresh. Startron also has a new "Carbon Eliminator" spray you spray into your intake or carb at idle. My boat was hesitating and almost dying if I punched it outta the hole. Couple rounds of the Carbon Eliminator and the hesitation is almost gone out of my mechanically original 1976 Apollo boat with the good ol carbureted Mercruiser 165 4.1L straight six. I've also noticed the fuel guage doesn't drop quite as fast. So, in short it does exactly what it says it does!! Startron is simply the best in my opinion. You also can't OD on it like you can other fuel stabilizers, like StaBil. Use too much of that stuff and it'll literally eat your fuel jets. I'm also a bit leary of something that's too good like the BG. What is it doing to rubber/plastic fuel LINES, the fill neck and jets or injectors? Ya....I'll stick with Startron. Great video though!!

Might get different results at operating temp

I like your test thanks for sharing.