Top 5 Best Fuel Injector Cleaners & System Additives to Buy in 2017

Fuel Injector & System Cleaning Potency (BEFORE/AFTER)

Fuel Injector & System Cleaning Potency (BEFORE/AFTER)

2017’s Best Fuel Injector Cleaners List

Ranking:ProductOverall Rating
Liqui Moly Jectron Gasoline Fuel Injection Cleaner
4.8 Stars (4.8 / 5)
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BG 44K Fuel System & Injector Cleaner
4.7 Stars (4.7 / 5)
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Royal Purple Max-Clean Fuel System Cleaner and Stabilizer
4.7 Stars (4.7 / 5)
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Lucas Fuel System & Injector Treatment
4.7 Stars (4.7 / 5)
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Chevron Techron Concentrate Plus Fuel System Cleaner
4.5 Stars (4.5 / 5)
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Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula
4.5 Stars (4.5 / 5)
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Red Line Complete SI-1 Fuel System Cleaner
4.4 Stars (4.4 / 5)
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NOTE: Doing any type of fuel injection cleaning, requires repetition. Before we show you the best-rated fuel injector cleaners to buy, you have to understand that (depending on your engine’s internal condition) it will require repeated cycles of any given cleaner to remove all gunk, varnish, and carbon deposits. This is especially true if your vehicle has been under heavy use.

Top 5 Fuel Injector and System Cleaner Contestants

maxresdefaultEver since the introduction of vehicles that heavily rely on electronics to ensure they operate to maximum efficiency, both gasoline and diesel fuels really took a toll on the  efficiency.

Especially with the lower octane fuels, pistons, valves, cylinder heads, and the entire combustion chamber, all are seeing a gradual increase in carbon build-up, gunk, and varnish. Sometimes this can result in major problems such as lowered fuel economy, less responsive throttle, rough idle, misfires, knocking, and a host of other problems.

Although fuel additives have been around for a few decades now, it wasn’t until recently when cleaners that actually worked quite well, began surfacing to the general public.

With this guide, we’re going to go over the best fuel injector cleaners you should buy, and also, top 5 cleaners we recommend the most.

*Liqui Moly Jectron, BG 44K, Royal Purple Max-Clean, Lucas Fuel Treatment, and Chevron Techron.

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Main Considerations For Fuel Injector Cleaners


Cost Efficiency

Being cost efficient (for most of us), is the wisest choice to make. Using fuel system cleaners can add up when done for a prolonged period of time (most recommended). In 99% of the cases, you’ll need more than just one serving of any particular cleaner to make a noticeable difference in your engine’s carbon build-up.

We looked at the potency and the overall cost per serving. While not being the cheapest, the most recommended fuel system cleaners aren’t expensive either. As long as you’re using them appropriately (we will tell you how below), you can maximize their potency.


Cleaning Potency

What’s a fuel cleaning additive without the proper potency, after all, that’s what we’re buying them for. With the chart above, every cleaner has exceptionally good satisfaction rate from users, as well as track record of cleaning potency.

We will go over the products that offer excellent potency, and also a great value.

Cost Efficiency

Low octane fuel (much like junk food), accumulates gunk, varnish, plaque, and carbon deposits. This can trigger the check engine light.

Low octane fuel (much like junk food), accumulates gunk, varnish, plaque, and carbon deposits. This can trigger the check engine light. Fuel injector cleaning will often time solve the entire problem.

Liqui Moly Jectron Fuel System Cleaner

Products originating from Germany usually cost a bit more, compared to products made in Asia or even in the US. Liqui Moly is a German based company with a wide variety of oil and gas treatments. Their Jectron fuel additive is pretty affordable per can, especially when considering its potency strength. On average, a 300ml can of Liqui Moly Jectron will run between $7-$12.

Keep in mind that, when you purchase in counts of 6+, you’re saving anywhere between 23-35% on all of them.

BG 44K Fuel System Cleaner

BG is an American based company that originally came from Witchita, Kansas in 1971. Today, they are known for a dozen or so premium products. Specifically, we’re going to talk about the BG 44K Fuel System & Injector Cleaner. This cleaner isn’t very economical in terms of cost, usually costing between 19-22 dollars per 10oz can.

When you purchase in bulk, it ends up savings you some money. The only other thing to keep in mind is, it’s one of the most potent fuel cleaning products on the market (thus the premium pricing).

Royal Purple Max-Clean Fuel System Cleaner

Royal Purple is a company that is geared towards being used in high-performance applications. When they came out with the Max-Clean fuel injector and system cleaner, it was clear that it’s not just another Gumout product. For every 20oz of this fuel cleaner, you can expect to pay anywhere between 12-17 dollars. If you compared it to the two cleaners above, you’ll see that you’re getting 2x cleaner.

Lucas Fuel System Cleaner

Yet another American based company, you might be familiar with the Lucas Oil brand. Their oil supplements and “Quick Transmission Fix” additives are widely used from all corners of the globe. Primarily used in the trucking community, it’s very uncommon to find any negative feedback about their oil and fuel additives.

When it comes to value for the money, Lucas has taken the win. The fuel system & injector cleaner comes in a 1-gallon job (or 128 oz), costing anywhere between 27-32 dollars. This is enough to treat up to, 400 gallons of gasoline and diesel fuel.

Chevron Techron Fuel System Cleaner

Chevron is widely known for being a HUGE fuel provider, located in practically every country. With that being said, they ironically made a product that is used to clean up their fuels carbon deposits. The Chevron Techron is popularly used in practically every car and truck community to clean up carbon deposits left from gasoline fuels.

Probably the cheapest product in our top 5 recommendation list, you can grab an entire pack for a very reasonable cost.

Cleaning Potency

When an engines internals have less build-up of gunk and varnish, you can expect to see increased horsepower, fuel economy, ride quality, and less electrical problems.

When an engine’s internal components have less build-up of gunk and varnish, you can expect to see increased horsepower, fuel economy, ride quality, and less electrical problems.

Liqui Moly Jectron Fuel System Cleaner

Liqui Moly was originally designed to be used on the higher end, German vehicles. Although that’st the ideal use, you can also use Liqui Moly on practically any vehicle that runs on gasoline. Not surprisingly, Liqui Moly’s Jectron cleaner has an excellent potency that tackles the most common problems, such as rough idle, decreased fuel economy, heavy carbon build-up, and a host of other problems caused by low octane fuel.

Jectron is tied with BG44K in terms of potency, both of them, a great tool to tackle medium to heavy deposit build-up.

BG 44K Fuel Injector Cleaner

It doesn’t go without saying, that the BG 44K fuel system cleaner isn’t a cleaner to be taken lightly. For one, like we mentioned above, it’s not cheap per serving. The power it has to eat away at varnish & carbon, however, is quite impressive! Carbon build-up can get quite significant when a vehicle is only instructed to use unleaded 87 or 89 octane fuel. In as little as 10,000 miles, some light to moderate deposits can accumulate, leading to a host of problems (mentioned above).

Going to a local shop and have them upsell the products for 30-40 dollars per serving is simply a waste of money. If you’ve ever wondered how to clean a vehicle’s fuel injectors and fuel system, it’s as simple as letting your fuel tank run to approximately ¼ empty and adding the entire can directly into the tank.

From there, you simply run the vehicle down until you get to ¼ empty and repeat the entire process until desired results are achieved.

Royal Purple Max-Clean Fuel System Cleaner

For clean running fuel injectors, and greatly reduced and even eliminated carbon build-up, Max-Clean has the capability of doing just that. When you use the entire 20oz serving that this cleaner originally comes in, you can start to eat away at all the crud that low octane fuel has left behind.

Though this may take a few treatments, overall improvements in fuel economy, horsepower, emissions, idle, spark knock, hesitation in acceleration, and fuel stabilization.

Also, whether you have a 2-stroke engine or 4-stroke engines, you can expect to see above mentioned benefits after using Royal Purples Max-Clean.

Lucas Fuel System Cleaner

Being the most value pack fuel additive in our list, it’s for good reason too. With an average rating of 4.7 of 5.0 from over 500 user reviews, satisfaction rate is exceptionally good. Now when it comes down to the important stuff, it does make a difference. Unlike a lot of other cleaners, where one serving will only be good for one to two, maybe three tank fulls, with this one, you can clean up to 400 gallons of gasoline or diesel fuel.

As it eats away at the nasty stuff left behind from burnt up fuel, Lucas’s formula is also created to clean and lubricate the entire fuel operation (including piston rings). Increased fuel economy, ride quality, and even engine life can be expected when the appropriate amount has been used.

Chevron Techron Fuel System Cleaner

Chevron has the second most fans and supporters of their products (first being SeaFoam). Techron is formulated to work with gasoline engines online. Specifically, it has been known to restore power, acceleration, restore fuel economy, reduce and eliminate rough idle, reduce and eliminate knocking, and lastly, give the engine an easier way to operate.

Carbon is much like plaque on your artery walls building up, eventually causing death to your, or at the very least, making you extremely unhealthy. By going through the appropriate doses of one of the above fuel injector cleaners, you can bring your engine back to life and have it run flawlessly like it originally was supposed to.


Best Of The Best

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Liqui Moly Jectron Fuel Additive


When it comes to finding the best of the best, it’s not necessarily easy to say “oh, this one is the best… out of hundreds of others on the market”. However, after testing and comparing to see what others have experience with their vehicles, the best cleaning potency you can buy right now (without spending too much), is the Liqui Moly Jectron Fuel System & Injector Cleaner.

For absolute potency, the best fuel system cleaner to buy is Liqui Moly Jectron.

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Best Bang For The Buck

Lucas Fuel Additive


Now, with that being said, if you’re looking for the absolute best bang for the buck, Lucas Fuel Treatment is the way to go. Strong potency is one thing, but getting 1 whole gallon of cleaner for less than 40 dollars a totally different thing.

The best fuel injector cleaner when it comes to value goes to Lucas, and you can find it by clicking the link below.
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Overall, fuel injector cleaners make a BIG difference when an engine has all the other aspects running smoothly. If you like the fuel injector guide above, you’ll also enjoy our Spark Plugs Buyers Guide, Engine Air Filter, Oil Filters Buyers Guide, Motor Oil Buyers Guide, and OBD2 Scanner Buyers Guide. 

Read up on each one, you can drastically increase the life of your vehicle.