Best Diesel Injector Cleaner

The ACDelco X66P Fuel Injector Engine Cleaner is our best diesel injector cleaner which has tremendously great combustion chamber deposit removal properties and balance rates can be improved with the diesel injector cleaner. Your throttle response can be improved with the diesel injector cleaner as it can also tend to perform piston clean-up in top soaking.

Our step-up pick is the Stanadyne Performance 8oz Diesel Injector Cleaner and the diesel injector cleaner will promise you an improved fuel economy and it can also act as a great starter for performance and start up. The diesel injector cleaner is a one tank clean-up operation which can be used for all seasons of the year. The fact that this diesel injector cleaner is also warm weather recommended makes it ideal for all year round use.

The budget pick is the Liqui Moly 2005 500ml Diesel Purge and designed for diesels of all ages, the diesel injector cleaner can also be used for preventive maintenance and you will definitely see an immediate improvement such as greater fuel efficiency and a smoother ride as well as a lack of smoke. People couldn’t be happier when they tried and tested this diesel injector cleaner as they can see a noticeable difference.

A Little Background

A diesel injector cleaner is a great way to save more money in having to spend so much for getting your injectors repaired and fixed by a professional. You can save more time, effort and cash by doing it yourself using a diesel injector cleaner to save more mileage as well as keep your engine running smooth and with great starts overall.

How We Picked

In choosing the best diesel injector cleaner, consider the following aspects:
Easy to use – you should make sure that the diesel injector cleaner is very easy to use so that the diesel injector cleaner will not put a hassle to your maintenance and preventive maintenance when it comes down to using any diesel injector cleaner in general.
Reliable and effective – the diesel injector cleaner should really work as an effective and a totally reliable diesel injector cleaner to have and own for use with your car or vehicle so that the diesel injector cleaner will not compromise your engine’s health overall.
Fuel compatibility – the diesel injector cleaner should work well with all kinds of diesel engines today and especially the newer ones so that the diesel injector cleaner can really work as a great solution that is up to date with the latest car models out there.

Our Pick


ACDelco X66P Fuel Injector Engine Cleaner

Our best diesel injector cleaner is the ACDelco X66P Fuel Injector Engine Cleaner and it is super ideal for professional use and it can potentially meet or exceed OEM specifications. The ACDelco Injector Engine Cleaner is also ideal for multiple service applications and it contains 16 ounces and is also applicable for use for in-rail fuel injectors.
The ACDelco X66P Injector Cleaner also acts as an upper engine cleaner and it greatly helps engines that are running poorly. This diesel injector cleaner excels at injector cleaning from all other diesel injector cleaners out there with a low VOC emission formula.

You can use the diesel injector cleaner for your daily commutes as a quality alternative to expensive repairs of your fuel injectors. The intake valve and port deposit removal qualities of the diesel injector cleaner are dependable and the diesel injector cleaner is also the best way to remove carbon from your damaged fuel injector.

The fact that this diesel injector cleaner eliminates carbon buildup makes it a great diesel injector cleaner to consider. You can be assured that your engine runs better than before and like it was brand new with this diesel injector cleaner. It can easily maximize engine performance with almost no lope as you use the diesel injector cleaner as a fuel system cleaner as well.

Save some cash in the long run with the diesel injector cleaner to restore lost power in your vehicle or engine. The diesel injector cleaner can also be used for having improved injector balance rates. Moreover, as a great maintenance formula, the diesel injector cleaner is ideal for your needs of preventative maintenance.

To get that smooth idling, the diesel injector cleaner is a great solution for attaining high-quality alternative while you can minimize hard starting with the diesel injector cleaner. The health of your injectors will be improved or restored with the use of the diesel injector cleaner like it was brand new. Those people who are having issues with their injectors can use this diesel injector cleaner and it can also reduce the octane requirement.

You will find out that the knocking is completely gone when you use this diesel injector cleaner as your vehicle is guaranteed to not drop to a lower gear. Moreover, the diesel injector cleaner can also get rid of misfires and it can essentially minimize intake valve sticking. Moreover, the diesel injector cleaner will produce no more check engine light as you can free up the rings with the formulation of this particular diesel injector cleaner.

With absolutely no visible carbon present after you use the diesel injector cleaner, you will find it easier to maintain highway speeds when you depend upon this ultra reliable cleaner which can lessen exhaust valve sticking. Using the diesel injector cleaner can get you to save more money from an injector replacement and it can fix stuck piston rings as well.
The diesel injector cleaner also eliminates deposit-related carbon rap and you also don’t need any special equipment when you use this diesel injector cleaner. During cold weather days, knocking and pinging can be greatly reduced when you really depend upon this highly reputable diesel injector cleaner as the best cleaner for fuel injectors.

Made with a very powerful chemistry, the diesel injector cleaner really maintains your engine, injectors and valves and you get less knocking in general. The diesel injector cleaner is a must-have part of your maintenance routine as it greatly eliminates hesitation and stalling. Your car will be idling smoother with the diesel injector cleaner and you can easily climb steep hills with no problems at all. The diesel injector cleaner can smooth the engine idle and the diesel injector cleaner also lessens your engine run-on.

Flaws but Not Dealbrakers

Some limitations but not deal breakers to consider about the ACDelco X66P Fuel Injector Engine Cleaner include the fact that it can remove paint so be careful when using it on your vehicle.

Step-up Pick



Stanadyne Performance 8oz Diesel Injector Cleaner

As our step-up pick, we chose the Stanadyne Performance 8oz Diesel Injector Cleaner as it is a high quality performance formula which improves mpg all the way. The Stanadyne Diesel Injector Cleaner can also give you better starting. It contains 4 bottles, each at 8 ounces and gives you an improvement in mileage as an injector cleaner. The Stanadyne Performance Cleaner will give you no complaints at all and it is also a cetane improver.

As a diesel injector cleaner, it greatly reduces engine noise and it easily lubricates fuel system as we ll. It works with its concentrated detergents as a diesel injector cleaner to greatly help prevent wear in your engine, resulting in an increased horsepower more than ever before.

Every fill-up, you can use the diesel injector cleaner easily and use it up to 4 to 6 times per year. Moreover, the diesel injector cleaner can give you a restored engine performance and the diesel injector cleaner can be part of your preventive maintenance on a regular basis.

Even common rail injectors can benefit from this diesel injector cleaner as it really improves injector performance and it improves combustion as well. The injector cleaner can work for mowers and it can keep your diesel running clean. Moreover, when engine performance issues arise, you can clearly depend upon this diesel injector cleaner for engine related issues so your engine can get itself running like new as you can use as a preventative maintenance for your engine.

A smoother running will be achieved with this diesel injector cleaner and an increase in performance will be seen with the internal and external deposits gone using this diesel injector cleaner. The cleaner also lubricates fuel system and many people do say that the product really works in achieving quick starts.

The diesel injector cleaner treats up to 25 gallons of diesel fuel (or 100 gallons of diesel fuel for 4 bottles) and you can even use it in a tractor. The diesel injector cleaner is a great product for years to come and it smoothes out your engine. With an excellent value, you won’t be disappointed with this diesel injector cleaner as it can be a big difference from your previous treatments.

Budget Pick


Liqui Moly 2005 500ml Diesel Purge

For our budget pick, we chose the Liqui Moly 2005 500ml Diesel Purge which contains 500 ml and is a great medicine for diesel engines. It assures you that cold starts are effortless and is a diesel injector cleaner that greatly reduces carbon emissions and cleans engines.

No more rough idle can be felt with the diesel injector cleaner as you can easily add to your fuel for more pick up and an improvement in power. The diesel injector cleaner is as easy to use as you just add it directly to the tank – it really works! You can experience smoking a lot less with the use of the diesel injector cleaner and you will definitely feel a noticeable difference such as a smoother idle and the engine can run more smoothly.

The diesel injector cleaner is so good for your engine that it makes it run smooth. If you own a diesel, this is a must-have as it cleans pumps and injectors and you can gain ease of cold starting. People with problems with plugged injectors can achieve night and day results and an instant change in responsiveness. You can warm up your car with this diesel injector cleaner to get it working great again.

It actually works as a great diesel injector cleaner and your car will be better afterwards with restored uphill power which makes up for your engine’s lack of power. The injectors are all clean with this diesel injector cleaner and it is definitely worth it for injector functionality and an improvement in throttle response. Overall, you get huge improvements with the diesel injector cleaner.

Best Diesel Injector Cleaner for Boats and Marine Systems


CRC 05232 Diesel Fuel-Therapy Injector Cleaner

The CRC 05232 Diesel Fuel-Therapy Injector Cleaner increases power and is a top tier treatment. It can be used for a sailboat diesel engine and cleans injectors. Your engine will run as smoothly as it was brand new and you will have no more EGR problems with the diesel injector cleaner.

With a maximum clean-up treatment, the diesel injector cleaner can increase fuel economy by up to 4 percent and is also emission reducing formula if you use it at least twice a year. You will get a smoother running diesel as the diesel injector cleaner can be a great tune up formula that will make you very happy. In fact, it passed the cummins l-10 test for injector cleanliness and got a superior rating.

The diesel injector cleaner increases power in every tank of fuel and add lubricity as well as smoothness all the way as a neat fuel therapy. Your engine output will be great as it increases mpg and lubricates the fuel system. Make your starts easier with the diesel injector cleaner as it also works for low sulfur fuel. Experience quieter and smoother starts with the diesel injector cleaner as it prevents corrosion. It also conditions fuel and cleans injectors. It contains 888 ml or 30 fluid ounces and treats up to 125 gallons of fuel.

Best Diesel Injector Cleaner for Removing Wax and Gel Deposits


STP Diesel Fuel Treatment Injector Cleaner

The STP Diesel Fuel Treatment Injector Cleaner is a great cleaner that contains 20 fluid ounces (1.25 pt) or 591 ml. Very ideal for trucks and SUVs, the diesel injector cleaner is great in improving the lubricity and is a great fuel treatment to consider which contains no alcohol.

Great for pump wear and injector wear, the diesel injector cleaner can take up to 35 gallons of treatment in total and is a neat injector cleaner to consider for the budget. The diesel injector cleaner works very well for its intended use and it is totally ideal for use every fill-up. You can use the diesel injector cleaner for your trip to the beach or other faraway places.

The diesel injector cleaner can easily prevent deposit build-up and works fine even in older diesel engines and all kinds of diesel engines out there. You can maintain diesel engine performance with the regular use of this diesel injector cleaner, keeping fuel injectors clean.

Even those with farm equipment can benefit from this diesel injector cleaner as it serves in improving lubricity of diesel fuel. Moreover, a good performance from your engine can be felt with the diesel injector cleaner as you can use it to maintain performance. It also tunes up injectors and is great in preventing deposit build-up so you can save more fuel in the long run if you use it regularly.

Good in preventing corrosion and rust, the diesel injector cleaner is also great in preventing deposit build-up and can also fight fuel line freeze. The formulation and content of this diesel injector cleaner is intended for larger vehicles, keeping injectors clean and reducing wax gel formation. Overall, this is a great product as a diesel injector cleaner.

Best Diesel Injector Cleaner that is ULSD Compliant


Diesel Power 15220 Fuel Injector Cleaner

The Diesel Power 15220 Fuel Injector Cleaner cleans the engine with its super concentrated formula containing 40 fluid ounces as it lubricates the entire engine. The diesel injector cleaner is intended for light trucks and other diesel vehicles and you can see an increase in fuel mileage with the use of the diesel injector cleaner in general.
You can smooth out rough idles with the use of the injector cleaner and it really works on all diesel powered engines as a neat lubricity agent. The diesel injector cleaner is even okay for use with bio-diesel formulas and the diesel injector cleaner can work well on boats as well as marine engines and the like as a neat fuel injector cleaner.
Feel safer with every use of the diesel injector cleaner as it is a ULSD compliant diesel injector cleaner to consider. The diesel injector cleaner greatly treats up to 300 gallons and reduces wear in your engine. People with diesel cars can directly benefit from this awesome and reliable diesel injector cleaner.
Additionally, the diesel injector cleaner can also be an upper cylinder lubricant and is a neat injection cleaner to consider with its easy to use patented design. The diesel injector cleaner is also a great lubricant and it has a low cost per gallon additive formula.
The design of the diesel injector cleaner is easy to handle as the diesel injector cleaner easily cleans and lubricates. It also works on tractors very well and is a great year-around additive diesel injector cleaner to consider due to its easy to pour design without the fuss.

Best Diesel Injector Cleaner for Low Sulfur Diesel Fuels


Berryman 0518-6PK 15oz Diesel Injector Cleaner

The Berryman 0518-6PK 15oz Diesel Injector Cleaner contains powerful detergents and is a one tank cleanup solution even for snowmobiles. It is a fuel tank additive that eliminates injector deposits and also works for utility vehicles. It greatly increases engine performance and it also improves drivability.
It can reduce emissions and can be used in all terrain vehicles. Moreover, it can restore fuel economy and can greatly work for utility vehicles. The formula disperses moisture and it removes contamination in the fuel system. The diesel injector cleaner also works for marine vehicles and it contains 15 ounces in a pack of 6. You get longer maintenance intervals with the diesel injector cleaner as it can also be used for off road motorcycles.
Applicable even for low-sulfur diesel fuels, the diesel injector cleaner also works for street motorcycles and ULSD fuels. It improves drivability and is a great fuel tank additive for injector deposits. As a one tank system, formula, it disperses moisture with its powerful detergents as a diesel injector cleaner.

Best Diesel Injector Cleaner for Duramax Diesel


Genuine GM Fluid 88861803 Injector Cleaner

Designed to also be an upper engine cleaner, the Genuine GM Fluid 88861803 Injector Cleaner contains 16 ounces as an induction cleaner and a fuel injector cleaner to attain a better accelerator response. The diesel injector cleaner is okay for marine vehicles as you get engine deposit cleaning immediately.
In fact, the diesel injector cleaner does not require a cleaning tool and can be used for off road motorcycles as an effective fuel injector cleaner. Scooters and the like will also benefit from the diesel injector cleaner as it is ideal for multiple service applications.
So much carbon can come off with the use of the diesel injector cleaner but make sure you use it correctly and it works very well even with all terrain vehicles. The diesel injector cleaner is great for cleaning in-rail fuel injectors and your check engine light will go off possibly with this diesel injector cleaner for fuel injector cleaning.
Even utility vehicles can benefit from this diesel injector cleaner as it can improve its engine intake system. The diesel injector cleaner can be used for gas or diesel engines and your vehicle will be running much smoother. Many people say that it performed well for deposit removal and even for snowmobiles and boats alike. Your piston top will be improved as the diesel injector cleaner is well worth the money.
A noticeable difference will be seen as the diesel injector cleaner is the best stuff for the duramax as a fuel injector cleaner for soaking clean-up. Your injectors are clean enough with it as your own injection system with a low VOC formulation. Your engine is as good as new as you can release the fuel pressure and it corrects idle when you use every fill up. It cleans injectors and valves and has a compliant formulation.

Best Diesel Injector Cleaner that Reduces Carbon Emissions


Royal Purple 11722 Max-Clean Fuel Cleaner

As a 3 in 1 fuel additive, the Royal Purple 11722 Max-Clean Fuel Cleaner contains 20 ounces or 591 ml and guarantees peak performance when you use every 10,000 miles. It can reduce emissions as a fuel system cleaner for the best economy and performance. It can benefit scooters and snowmobiles and keeps new engines clean.
Diesel truck can benefit from it as well as boats and marine vehicles as it improves vehicle’s performance so you get what you pay for in general. It gives reduced carbon monoxide emissions and it improves fuel economy depending on driving style. It cleans up any cloud of carbon as a one treatment solution which helps an aging fuel pump. It can also work in automobile applications.
Your engine performance will improve on motorcycles and utility vehicles with an average of 3.2 percent increase in fuel economy savings. Even turbo charged systems can work. It is okay for all terrain vehicles and will not harm emissions equipment and it also prevents rough idle like having a new car. Being super charged, it improves mileage and it has gone through multiple product fleet tests.
It is okay for ethanol blends and you will get a top end increase and significant advantages in performance as it increases horsepower, whether you own a new or old engine. It is okay for both gasoline and diesel engines and can reduce tailpipe emissions. Being EPA and CARB compliant, it has an average of 2.6 percent increase in horsepower so you should see an improvement.
At high RPM, it works best and is also okay with various makes and models of vehicles. It cleans injectors and you get sustained improvements as it removes buildup and deposits with its intake system to extend the life of your vehicle.
Engines on the road can benefit from its fuel cleaning as it greatly reduces hydrocarbon emissions up to 12 percent for multiple treatments. Deposit-related engine knocking can be cured with fuel economy as it is ideal for both 4-cycle engines and 2-cycle engines. Your combustion chamber, whether gasoline or diesel, can be improved. NOx emissions are reduced up to 13 percent and spark plug fouling can be resolved.
Able to inhibit corrosion and oxidation, CO emissions are reduced up to 18 percent as it stabilizes fuel when it is stored. Engine buildup is improved and it prevents rough idle to keep the fuel system clean. Fuel economy is restored. Off-season and storage is fine as it maximizes horsepower and is naturally aspirated which removes hesitation and stalling.

Best Diesel Injector Cleaner that Also Works for Gasoline Engines


Royal Purple 18000 Fuel Injector Cleaner

The Royal Purple 18000 Fuel Injector Cleaner restores fuel economy and solves problems in your engine for quicker and easier starts. Keeping it smooth running in general, it gives you improved fuel mileage and better acceleration and improved fuel economy as well as faster pick up.
It is one of the best fuel system treatments out there and is a fully-synthetic fuel injector cleaner which atomizes fuel. You get an instant performance improvement with power and performance as it stabilizes ethanol as a highly concentrated formula for lower operating temperature.
As your fuel mileage going up, it is great for maintaining the same speed and your pump in the tank will be healed with any type of fuel injection. Ideal for direct injection engines, it gives reduced emissions as well as polyether amine or pea detergents that maximize horsepower for a smoother idle for your combustion chamber with a lower engine vibration.
It works like a charm in its injector flow and contains 6 ounces. Your gas lines will be saved and it improves responsiveness. There is a noticeable difference to give you more torque with high performance and thorough cleaning for clogged and coked injectors.

The Competition

There are other diesel injector cleaners out there but they did not stand out very well due to the very fact that they are not totally effective when it comes to cleaning up the diesel injector cleaners and are a bit picky when it comes down to other types of diesel fuels, sad to say.

Other Frequently Asked Questions

Q: What should you know about diesel injectors?
A: According to Racq , you should check for a variety of issues before resulting in a diesel injector replacement as maybe it could still be cleaned and de-clogged. For instance, the air cleaners should not be blocked at all to reduce smoke overall. You should also as much as possible buy fuel that is a bit pricey but cleaner so that your engine will not suffer, especially if your engine is very old. Fuel storage should also be considered carefully so that you do not run into any other problems at all and be prepared for the season for the fuel to last remarkably better.
Q: What are some tips on maintaining diesel engines?
A: According to Cartoq , it should receive a good warm up so that they can remove the clattering. The turbo charger should also be maintained properly and the air filter should be cleaned as much as possible. Oil change is very important and the fuel injectors should also be cleaned regularly. Oil change should be following the OEM’s specifications. Avoid being short of fuel as an empty diesel tank can possibly get an air lock. The throttle should be just fine when you drive a diesel engine.

Wrapping It Up

To summarize the article, the ACDelco X66P Fuel Injector Engine Cleaner is our best diesel injector cleaner to get your engine running smoothly like it is brand new.

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