The Best Diesel Injector Cleaner in 2024

Diesel engines are increasingly becoming popular among vehicle owners nowadays because of their high torque and fuel economy, among other reasons. A diesel vehicle can perform well for many miles until it gets distracted by soot and other deposits that build up in the fuel injection system, that’s why you need best diesel injector cleaner.

In fact all the components of the engine can be subjected to this deposit build-up if not being cared for. As caring as I am, I have reviewed the best diesel injector cleaner.

There’s a plethora of products on the market and it can be confusing to buyers. As an avid researcher, I’ve spent so much time assessing the efficacies of the best diesel injector cleaner for you. I will help you choose the best by including the all relevant information. Keep reading…

Starting off the list with the popular Power Service Diesel Kleen product, I found how effective this injector cleaner is in cleaning injectors and other internal components.

The product is capable of removing the deposit formation in your injector and other engine components such as the pipes and the combustion chamber.

Key Features

It does not only remove but prevent the formation, which is good to let your engine free of contaminants.

Also seen beneficial with the product is its ability to enhance cetane to ensure that the engine runs smoothly and performs well in colder conditions. Furthermore, it improves the fuel economy by up to 8%.

This fuel injector cleaner also provides lubrication benefits to the engine components to protect against possible corrosion. This is true especially for older cars that received minimal maintenance cycles.

When or how often should you use this fuel injector cleaner? Well, it was designed for use throughout the year whenever you feel that your engine is producing a black smoke as a sign of deposits. But do not overuse it.

Having got my hands on this cleaner to clean a Dodge 3500, it proved good results to the throttle response.

I could witness less smoke and decreased fuel consumption. However, in the latest diesel engine, the results were just insignificant. This proves that it can be an ideal solution for old cars to revive their performance.

It is a product of a company that manufactures fuel injector equipment.

One might say the company knows exactly the extent of carbon formations in the injector and thus has manufactured a counter-product to combat them.

The product is ideal for a variety of cars such as Ford, John Deere, Isuzu, and GM. It satisfies the Cummins L10 Superior cleanliness standards.

While it was designed as a cleaner of deposits in your injector, it can equally lubricate the internal components to protect them against corrosion.

Key Features

When cleaning the fuel injector with this cleaner, you do not need multiple bottles for effective results. It is concentrated enough for a bottle to satisfactorily clean 25 gallons of diesel fuel.

You need to add the cleaner to the tank at least 6 times in 365 days. The product comes in a pack with 12 bottles which can treat, in total, 300 gallons.

It was formulated to eliminate the internal diesel injector deposits that are found mostly in the Common Rail.

Note: If you wish to order this product outside of the USA, it will not be shipped to you. It is regarded as a hazardous material so can only be sent via ground shipping within the USA.

A blend of detergents, not sulfur additive, is designed to provide effective cleaning of diesel injectors and combustion chambers.

BG 245 Premium Diesel Fuel System Cleaner builds on the success of the BG 244; it comes with improved efficiency in removing the carbon deposits.

Key Features

The product is touted for its ability in removing the toughest deposits to leave your internal parts cleaned. As a result, you will have an efficiently running car with lower emissions, smoother idle and enhanced cold start-up.

Eventually, the engine gets a knock and the overall performance is affected. So to save you extra costs of visiting the mechanic, you might find it helpful to use this cleaner instead.

In addition to being a deposit cleaner in the injector, it acts as a lubricant and cetane booster to aid in the performance. The cleaner has an industrial-strength to be used in a variety of diesel-fuelled vehicles.

Here’s another one of the best products I handpicked. It’s known for its ability in cleaning the diesel tank and injectors to remove the constant formation of carbon deposits.

An evidence of deposits in your engine could be the black smoke from your exhaust, a poorly performing car, and other engine-related issues.

Old cars are culprits in this regard.

Key Features

You might notice the corrosion in your tank, which needs the cleaner to lubricate. Hot Shot Secret plays that role of lubricating the engine components.

Also worth noting is that the cleaner is concentrated and can treat 150 gallons of diesel fuel. There is no need to clean the injectors frequently.

It further improves fuel economy and the mileage of your car. Such effects are, however, infinitesimal in newer models. And if you’ve been worried about the maintenance of your engine, the cleaner can minimize that.

The combustion of the fuel and the cleaner can help extract that water from the fuel. The entire fuel injector system will be free of water and it will last a long time.

Available in a pack of 6, that’s enough bottles to treat large gallons of your diesel fuel. The bottles are filled with powerful detergents to clean-up injector deposits.

Your diesel engine will be able to breathe well and that will save fuel and enhance the mileage.

Key Features

If your car has been subjected to a black smoke or soot, it could be the time to use this product.

Furthermore, on the benefits, the cleaner disperses the moisture that contaminates the fuel injectors. It also restores the fuel economy, decreases the carbon emissions and boosts engine performance.

If you want to save money by buying a pack of injector cleaners instead of a single bottle, this product could be the best solution.

It has a dual function as the cleaner and the fuel treatment for optimal performance of your diesel engine.

It’s rare to find a product of such caliber that can optimize your fuel as well as the internal components to ensure a smooth ride.

With such a product you can save lots of trips to the local mechanics and instead get your engine and fuel treated.

Key Features

The product comes in a pack of 12 and each weighs 8 ounces. Among other benefits, Cyclo diesel injector cleaner can improve the cold weather flow and prevent clogging.

The other persistent problem with many engines is the corrosion. That’s a serious problem to old cars in particular.

It is one of the effective products to clear the carbon deposits in your engine components. It can increase the power and the fuel economy by up to 4%.

Having such an increase can boost your car’s performance, particularly the mileage.

If you have been worried by massive carbon emissions lately, this cleaner can come to your rescue.

Key Features

If left unextracted from the fuel, water can contribute to the substandard quality of fuel and lead to corrosion and build-up of deposits. You can also use this injector cleaner to dissolve varnish and gum accumulation.

In fact, there is a whole host of deposits to solve with the cleaner.

However, provided you exercise safety on it, there is no need to worry about health hazards to that extent.

It was formulated to dissolve and remove the high-temperature deposits in diesel engines.

In turn, this optimizes the performance of the vehicle and also reduces the noise.

Soot emissions are an order of the day in a dirty engine due to the formation of deposits particularly in older vehicles.

Key Features

This 500ml diesel injector cleaner is sufficient to clean a tank of fuel. While cleaning the deposits, it also enhances the cetane rating which will reduce ignition delay and engine knocking.

If your car is frequently maintained, this diesel injector cleaner may not be that effective. But for those who use their cars infrequently or the ones with old cars, it can be the best solution to revive your engine.

The results of using the cleaner include less electrical problems, improved horsepower and fuel economy. The other benefit is the lubrication of the internal components.

If you are the mechanic and looking for the best product for your services, the ACDelco Fuel Injector and Upper Engine Cleaner could be the ideal product for you.

You will not find this product in retail stores as it was formulated only for professional use.

That means it’s of a different standard from the rest of retail cleaners.

Key Features

Looking at the features of the cleaner, it shows that it was designed for multiple service applications. It is a product of choice for in-rail injector cleaning, soaking up the piston and combustion chamber deposit removal.

For cars that you find having idle challenges, intense soot emissions or struggle to start, you can use this cleaner to solve such issues.

The cleaner was designed with a low VOC (Volatile Organic Compound) emission formula. It’s a formula revered by many mechanics as being effective in diesel injector cleaning.

Follow the instructions given or ask a professional mechanic.

Now here’s the last product on our list, the Royal Purple Diesel Fuel Injector Cleaner.

If you are concerned about a reduced fuel economy and hardships of cold flow and ignition, with this cleaner you can solve the issues.

It contains 20 ounces, sufficient for a diesel fuel tank. When added to the tank, it will remove the deposit formation in the combustion chambers, valves, pistons, injectors, and carbs.

Key Features

Avoid extra costs of a mechanic and do-it-yourself.

Cleaners come with instructions to treat the engines. That shouldn’t be a problem understanding how they work.

However, note that the engine issues can be attributed to other factors other than the deposit accumulation. If the problems persist, you may want to visit a car service center.

When applying this cleaner, note the recommended dosage of 1 ounce per 5 gallons. For maximum benefit, if you feel your engine needs a serious cleaning, you can apply 1 ounce per 2 gallons.

Buyer’s Guide

To help you understand these products and choose wisely, I have compiled a buyer’s guide here for you. For more information, you can post a comment and I will attend to it.

Contents:

What is Diesel Injector Cleaner?

It is an additive or a solution of detergents designed to improve the quality of fuel and the combustion chamber. It achieves that by cleaning the injectors and other internal components such as the intake valves, pistons, and carps.

The other benefit of the cleaner is to solve the black exhaust smoke and the fuel consumption. A dirty engine shows such issues. The car might struggle to start especially in cold environments.

Cleaners are now abundant in different models and qualities to treat your cars.

How Often Do You Use Injector Cleaner Diesel?

The frequency of using the diesel injector cleaner varies from one product to the other as well as one engine to the other. For instance, the highly concentrated cleaners may need to be used twice a year while the diluted several times.

It also depends on how dirty your engine is.

Take a look at the back of the bottle. If unsure still, consult your local mechanic and ask for advice.

Do Diesel Fuel Injector Cleaners Work?

As combustion occurs, deposits are formed as byproducts. When they accumulate, they can clog the engine and affect the performance.

The cleaners work by dissolving such deposits and let them escape through combustion without damaging the engine.

Do Diesel Fuel Additives Really Work?

Yes, they do really work but depends on the type of the additive. Most of them are touted the best in removing the engine deposits and improve performance.

Some can actually affect the engine performance by 2%. That said, you need to be vigilant of the type of additive you use.

Of course, most additives are being marketed as the best, but when reality hits you find out they are not what they are being marketed for.

What Does Fuel Injector Cleaner Do for Your Car?

There are many benefits associated with fuel injector cleaners to your car. Interchangeably referred to as carburetor cleaners, they clean the entire fuel system to improve its quality.

In addition to removing the deposits, the purge water from the fuel. Excess water in the fuel can lead to corrosion and other engine related problems.

But a powerful injector cleaner can solve such problems.

It can also help with lubrication of the cylinders, valves, and injectors. By achieving all these functions, the vehicle can save fuel and perform much better.

What are the Symptoms of a Bad Diesel Fuel Injector?

The symptoms can vary from one engine to the other.

Such symptoms signal the need for a cleaner.

When Should You Use a Fuel Injector Cleaner?

The cleaner works as you drive. Please note the requirements per ounces of the fuel injector cleaner.

For instance, you might realize that a certain cleaner instructs 1 ounce per 2 gallons. If you have less diesel fuel, you may have to replenish until you meet the requirements.

Wait until you complete about 5000 miles and add again.

How to Choose the Right Fuel Injector Cleaner?

Please note that not all cleaners work with every type of engines. You need to be vigilant of the model you are buying.

The mistake that many car owners commit is to choose the cleaners based on the price. Other engines degrade in performance because of the wrong additives added in the tank.

How to Use the Injector Cleaner?

It is relatively easy to use these cleaners. Read the instructions carefully and check your fuel level.

Conclusions

I have come to the end of my review of the best products on the market as well as the buyer’s guide. The best diesel injector cleaners are indispensable for every car, particularly those that have old engines.

Many cars experience a degraded performance because of the carbon deposits forming in the injectors. Moreover, water in the fuel can also lead to corrosion.

Such issues can be solved by using the injector cleaners.