Best Fuel Injector Cleaner of 2018

PreviewNameRatingPriceMore Details
BG44K4.4 / 5$$Click Here!
Lucas 10013 Fuel Treatment4.8 / 5$$$Click Here!
Chevron 65740 Techron Concentrate Plus Fuel System Cleaner4.6 / 5$Click Here!
Red Line (60103) Complete SI-1 Fuel System Cleaner4.5 / 5$Click Here!
Royal Purple 11722 Max-Clean Fuel System Cleaner 4.4 / 5$Click Here!

Why You Should Use a Fuel Injector Cleaner

Although even the lightest car today weighs in at over a ton, its proper functioning depends on very small apertures in its fuel line system called injectors. The thing that you need to understand about gasoline is that, in order to actually explode and not just burn away, it needs to be atomized or pulverized. So deep in your engine you have tiny pressurized chambers that squirt small amounts of gas into the cylinders where the actual explosions take place. These are all, of course, very precisely controlled operations, but, as you would expect, after years of use, those tiny heads tend to get clogged up with small deposits of impurities. That is why, every now and again, you need to clean those tiny chambers called fuel injectors. A recent study found that every 10,000 miles the buildup of gunk on your engine components reaches its maximum point so that would be the best moment to use a fuel injector cleaning system. It used to be that you would need to take the car to a specialized shop that would take out the injectors and use all types of chemicals and procedures to actually clean them up. But today you can simply add a special compound to your fuel and, as it flows through the injectors, with the fuel, it cleans them away. It works by attaching itself to the dirt particles and braking them apart so it does not affect your actual engine components in any way, except to clean them and allow them to work properly.

What to Look for When Purchasing a Fuel Injector Cleaner

Of course not every fuel injector cleaner out there will actually do the job or be able to do it as well as it should. Interestingly enough, though, because they all address the same problem, which is carbon deposits on the various parts of your engine’s components, it does not really matter if you have a gasoline or diesel engine. However, there are some highly specialized fuel injectors systems that also clean and oil the components of the carburetor, and, if your engine does not use that system, which is to say your car is not very old, you do not really need it. Still, it will not hurt your engine, even if you do not have a carburetor, so you do not have to worry too much about it. What you should be looking out for is whether the cleaner itself uses PEA, PIBA, or PNA components since these are the most important and most tested base additives that actually get the job done. Several studies suggest that PEA is actually the best, removing up to 72% of deposits on its own. The only thing that you have to be careful with, though, is that you should never use fuel injector cleaners on a new or reconditioned engine, as some studies suggest they actually do have a residue of their own, which, although not as significant or dangerous as the regular deposits your car produces, is something you do not want on a new engine.

Our Top 5 Best Fuel Injector Cleaners Recommendations

So keeping all of this in mind we started out looking for some of the best fuel injector cleaner systems and have come up with the following list of recommendations. These have all been tested either by our own engineers, our top 5 choices, or by other trusted workshops, and we also checked the ingredients list to make sure that they were made using those important base additives we have already talked about. So make sure to scroll past the list to get to the in depth reviews we have created for each product, so you can see exactly why we decided to include on our list each one of those fuel injector cleaners.

1. Best Fuel Injector Cleaner If Price Is Not an Issue

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The very best fuel injector cleaner on the market today is the BG 44K cleaner system. You actually pay less than you would for some other products on our list, but, because the quantity is so small, the actual price per liter is actually the highest. However, one can of BG 44K is all you need to perfectly clean your car’s entire system. It actually does more than just clean the injectors, as it also cleans the valves and the combustion chamber. That great thing about that is that, while the injectors are very important because they deliver just the right amount of fuel, it is the size of the combustion chamber that determines just how many horse power your engine puts out. There are actually processes where you can shave a few millimeters off the piston head in order to get a little bit more power, so you can imagine how years of gung added to that piston will eventually result in a loss in power. So by cleaning all that dirt off, you can actually get back some of the initial ponies your car came with, and you will definitely be able to feel a difference in power. We have actually done a couple of tests ourselves on older cars and we were surprised of just how much power we were able to get, and how big the difference in driving was. The only thing that you need to be clear about is the fact that a can like this will only be enough for a one time use on a single car, whereas there are other products that we are actually going to look at next, that you can use several times on many cars.

2. Best Fuel Injector Cleaner for the Money

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In terms of getting the biggest bang for your money, Lucas Oil 10013 Fuel Treatment is your best choice. You get a full gallon of fuel injector cleaner for the money, and you only need to use 3 ounces per 10 gallons of fuel. You can use it only once every 10,000 km as a simple cleaner, but this product has several other benefits when used on an engine so you may want to use it at every fill up. For one thing it can be used as a lead additive in cars that do not take unleaded fuels, and it has less harmful emissions than actual lead additives. Besides the cleaning compounds it also has some very useful oil compounds that will oil the action of the piston from the burning chamber side, the functioning of the valve and of the injectors. The Lucas Oil 10013 Fuel Treatment is actually one of those fuel injector cleaners that will also oil the carburetor too, and that is one of the most crucial performance components on a car, so it is incredibly important to keep it working at its maximum efficiency. The other benefit of using Lucas Oil 10013 Fuel Treatment is that, in diesel trucks, it deals with the more nasty effects of low sulfur fuel, which will actually help you get through any type of smog tests. Finally, there is something to be said about the benefits of always having a premium cleaner and some oil doing its job, so that you do not need to buy expensive fuels that do not use something as good as this, but do ask for a higher price because they do add some cleaner.

3. Best Fuel Injector Cleaner on a Budget

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If you are working on a budget, the best choice currently on the market is Chevron 65740 Techron Concentrate Plus. For the money you actually get enough fuel cleaner for a one time treatment, or even a 2 car treatment, depending on the size of your petrol tank, but the Techron does so much more than just clean the injectors. The first thing to take into consideration is the fact that Techron has been on the market for several decades now and ever since they have been taken over by Chevron they have constantly worked on reformulating and improving their cleaner. It cleans sulfur deposits from the injectors, the valves and piston head, but it also cleans the fuel gauge sensors. So the most important thing to take away about the Chevron 65740 Techron Concentrate Plus is that it is a modern, high end engine fuel injector cleaner. You can, of course, use it on a 90’s Honda, but to really get the most of it, your engine needs to be equipped with fuel gauge sensors that further improve the quantity of fuel needed by the engine. The point here is that, if your engine cannot the fully benefit from the use of the Techron fuel injector cleaner, there is really no point in buying it, and you may actually be better off, paying a little bit more for something like the Lucas Oil because, with that, you actually get the most out of it, even if you do not have a high tech car.

4. Honorable Mention 1

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There are several good points to be made about our first honorable mention fuel injector cleaner, which is the Red Line 60103. First off it has the highest concentration of PEA, which is, as we have mentioned before, the basic cleaning components that these types of products use. And that leads us to the second important point which is that only 3 ounces of Red Line 60103 is actually enough for your average fuel tank size. So, not only is this stuff almost as cheap, in terms of bottle price, as our “budget” solution, but you can actually use it for quite a lot more treatments. Still, it did not crack our top 3 best fuel injector cleaner list because it does not have the lubricating power that our top choices have, and its intended use is mostly gasoline engines. We are not saying that gasoline engines do not need to worry about cleaning their injector system, but the fact remains that diesel fuels are actually heavier and dirtier, so it would have been so much better to have a diesel only cleaner rather than a gasoline one. However, if you do own a gasoline car, with less than 100,000 miles on it, which would mean it only needs a good cleanup and it does not really need a lube job too, then the Red Line 60103 might actually be an excellent choice.

5. Honorable Mention 2

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Our final choice is the Royal Purple 11722 Max-Clean fuel injector cleaner. It has several very interesting features and comes up very well in independent tests. The only thing is that it is a relatively new product on the market so it does not really have a long customer record. However, it is definitely worth the try because it cleans out every component of the intake system, which would also mean carburetor systems, and the combustion chamber, which would include the piston head surface. Several tests have constantly shown an improvement in fuel economy of up to 3% and a 2% increase in horse power. However, the important thing to understand about fuel injector cleaners is that they do not actually improve the engine itself in any way, but rather they clean it out, so, if you have a new car or engine, or you are constantly using injector cleaners, you will not see these improvements. These measurements have been taken from cars that have went at least 10,000 kilometers without any cleaning system in place whatsoever.


There is absolutely no doubt about the fact that fuel injector cleaners do work, and there have been several independent studies showing that the best products can actually produce a reduction of up to 80% of all sulfur deposits from injectors, valves and piston heads. The challenge is to find a product that actually does that, and we have given you a choice of no less than 5 of the best fuel injector cleaners. Each one of them was tweaked in a slightly different way to fit different types of cars or different price ranges. Provided you can afford it, we would definitely recommend going with our top choice, which is the BG 44K, but if you need to stay on a budget, you may want to go as low as the Red Line 60103, and perhaps just use a little bit more than the recommended dosage on the first use.