Repair testing / 8 sub-categories
Automotive Repair & Testing Equipment
Diagnostic tools for leak tracing, visual inspection, battery health, circuits, pressure, spark, oil, and electrical readings.
Repair maintenance / 6 sub-categories
Automotive Repair & Maintenance Equipment
Service equipment for fluid exchange, A/C diagnostics, refrigerant recovery, oil handling, and cooling-system work.
Carbon cleaning / 3 sub-categories
Carbon Deposit Cleaning Equipment
Carbon-removal equipment for injectors, intake valves, components, and workshop cleaning jobs.
Wheel tire / 3 sub-categories
Wheel and Tire Repair Equipment
Equipment for alignment, lifting, tire repair, tire mounting, and service-bay workflows.
Tool storage / 1 sub-category
Workshop Tool Storage Series
Storage products for keeping workshop tools, test equipment, and accessories organized.
EV charging / 1 sub-category
Electric Vehicle Charger Series
EV charging products for new-energy vehicle service, workshop use, and installation scenarios.
OBD diagnosis / 4 sub-categories
OBD Diagnostic Tools
OBD-related testers, cable products, used-car inspection tools, and key frequency diagnostics.
Accessories / 8 sub-categories
Accessories
Replacement parts, adapters, consumables, cables, and add-ons for major diagnostic and service equipment.
Randy Wagnon Jr. (verified owner) –
Arrives quick, packaged well! Just wish it would have come with the recommended solvent/cleaner or atleast a sample of cleaner.
Randy –
Arrives quick, packaged well! Just wish it would have come with the recommended solvent/cleaner or atleast a sample of cleaner.
Luis –
All types of injectors can be tested, and cleaning is very simple
Luis –
All types of injectors can be tested, and cleaning is very simple
Gil Alexander Pina Pinto (verified owner) –
AUTOOL CT400 GDI Fuel Injector Cleaner & Tester Machine 6 Cylinders Fuel Injector Cleaner Tester for Car & Motorcycle
Jean –
I was very happy when I received the goods, everything is the same as the advertisement, the machine is great, I am very satisfied with article.The seller answers the questions in time, I recommend
Brandon –
This device works very well and it is easy to test and clean the GDI injectors. I believe the cost will be made back soon.
Brandon –
This device works very well and it is easy to test and clean the GDI injectors. I believe the cost will be made back soon.
John –
This device is super cool. GDI fuel injector cleaner and tester machine, the price is very cheap, the testing function is powerful, BMW and Mercedes-Benz fuel injectors also can be tested. All as described by the seller, and it’s really great!
Dave –
Exceptional seller. Very kind. Very attentive. It helped a lot to make the decision to make the purchase. Providing advice and security. Very responsible. Fully recommended. Excellent. Happy with the purchase
Russ –
thanks
Lorna Cartwright –
work good
Henry –
Everything is super, convenient small functional, 5 stars for the device
Henry –
Everything is super, convenient small functional, 5 stars for the device
Mark –
Very nice product.
Betsy Weber –
Great machine, with a three-year warranty, I believe it’s worth buying. I have bought other AUTOOL products before and confirmed that I can get free parts replacement within the warranty time
Betsy Weber –
Packed well
Michael N Johnson (verified owner) –
AUTOOL CT400 GDI Fuel Injector Cleaner & Tester Machine 6 Cylinders for Car & Motorcycle
Delyan Delev (verified owner) –
AUTOOL CT400 GDI Fuel Injector Cleaner & Tester Machine 6 Cylinders for Car & Motorcycle
Sadye Brown –
Very nice machine!
Barry –
it works
Haleigh Deckow –
Normal work
Thelma Wilkinson –
Great device.
Esmeralda Pouros –
Everything works
Hugh –
Very good equipment
Bart Rau –
Received Ok
Edna Thompson –
many thanks
Verlie Jones –
fast shiping
Raleigh Bruen –
Very good deal, quickly earned back the cost for me
Aart AVS Auto’s B.V. (verified owner) –
Fast shipping, Everything neatly received, Products are above expectations
Thanks for that greetings Aart
Jamil Grant –
Very fast delivery
Ahmed Naseem (verified owner) –
Very glad with the performance of this machine and would highly recommend it to workshops.
Yuliyana Andreeva (verified owner) –
AUTOOL CT400 GDI Fuel Injector Tester & Cleaner Machine 6 Cylinders for Car & Motorcycle
Finn Goyette –
Shipping fast.
Aliza Dickens –
Perfect the device
Orland Kassulke –
I recommend
Carlos –
All good!
Justinas Kakanis (verified owner) –
I’m very glad with the performance of this machine. I would recommend it to workshops, quickly delivery to lithuania.
Alexandro Gerlach –
Thank you
Dahlia McCullough –
Super goods
santos rivera (verified owner) –
AUTOOL CT400 GDI Fuel Injector Tester & Cleaner Machine 6 Cylinders for Car & Motorcycle
Karsten Westerhoff –
I recommend AUTOOL
Alvena Hagenes –
Came very fast quality good
Leanna Kuvalis –
It’s fine
Lola Vandervort –
The device works
Keon Jacobson –
Very good product
Josiane Rempel –
delivered quickly
Alexane Lockman –
Super
Ivah Kutch –
satisfied
Lysanne Schaden –
Works fine
Jabari Johns –
super fast
Mike –
Thank you very much.
Daron Fisher –
Perfect
Helena Brekke –
Great device
Telly Powlowski –
very satisfied
stamatis –
In case I buy ct400, is there any possibility to be able to test less I injectors than 6?
I mean clean an test injectors of a 4 cylinder online, or 2 or even single
Zagorec –
Available at the German warehouse! Extremely fast delivery!
Foster –
The cleaning was surprisingly good! I will consider purchasing other products from AUTOOL. The quality is trustworthy
Saleh –
There were a few hiccups in the middle, but I was sent a replacement for the missing accessory, and it cleaned and tested great!
stathis sarakatsianos (verified owner) –
AUTOOL CT400 Fuel Injector Cleaning Tester with GDI Injector Test and Ultrasonic Cleaning & 6 Cylinders
John chen –
I bought a second device from this company. (I needed a GDI flushing machine) I bought the first one 3 years ago. CT150 works to this day. When choosing a device, there was no question of which company to take. The delivery is fast! The quality is good! (time tested) there is a small one-the menu is not on the Russian??) But this is not a problem. Seller can be recommended??
SUAD DOGIC (verified owner) –
Already test it and works fine.
Im happy….
Tina –
I like this product. It’s easy to assemble and use. I used it on my boat motor injectors. They need 90psi, but there were leaks around the plugs at that pressure. After re – tightening, even with pliers, it finally worked. Due to this fitting problem, I deducted 1 star. It’s a good injector cleaner with a fair price.
Gemma Nelson –
I purchased this cleaner and it is really easy to use. First of all, it is easy to operate and the cleaning effect is very obvious. Before the car’s fuel nozzle is a bit clogged, the power is not quite enough, tried this machine, after cleaning the car’s acceleration feels much better. Removal and installation is not complicated, the quality of the machine is also good, looks quite strong. The cleaning process wasn’t any trouble either, and the overall experience was great. If you have a need for this, I think this is really worth getting.
Truman Bennett –
I purchased the Autool CT400 thinking it should do a good job..WOW it cleans like a professional unit.
Veromca Waters –
This injector cleaner is a game changer! Easy to use, super effective, and saves me tons on repairs. My car runs smoother than ever. Highly recommend!
Dorothy Christy –
My car had been drinking gas like crazy and shaking when starting cold. Changed the spark plugs¡ªno luck. Turned out the fuel injectors were super dirty. Got this CT400, followed a few tutorial videos, and cleaned them myself. Huge difference! Starts smoother, idle is stable, and the power’s back. The machine¡¯s actually pretty easy to use once you get the hang of it. Saved me a trip (and a chunk of money) from going to the shop. If you like working on your own car, this tool¡¯s totally worth it!
Dorothy Christy –
My car had been drinking gas like crazy and shaking when starting cold. Changed the spark plugs¡ªno luck. Turned out the fuel injectors were super dirty. Got this CT400, followed a few tutorial videos, and cleaned them myself. Huge difference! Starts smoother, idle is stable, and the power’s back. The machine¡¯s actually pretty easy to use once you get the hang of it. Saved me a trip (and a chunk of money) from going to the shop. If you like working on your own car, this tool¡¯s totally worth it!
Joshh Nelson –
Everything is in good condition. If you are using BMW injectors, this is suitable.
Juan Martinez –
Good quality. Works well. Lots of functions. Lots of equipment covering many models. Overall, very good. Got a free spark plug tester.
Tyler Bruno –
Very competitive product
Jdf –
This product is simply awesome! Not only do you get to test the injectors, but you get them cleaned in the process, which I love!
?eljko Supi –
The CT400 does not come with Mercedes-Benz or BMW cables, but they can be purchased separately.
Bradley Grantham –
A very satisfying shopping experience! The packaging is tight, the delivery speed is also very fast, the machine is solidly made, and it is very smooth to use. Low noise during use, the operation interface is clear and straightforward, perfect for daily maintenance use. Customer service was also very patient and answered all my questions. Overall, this purchase exceeded my expectations and is highly recommended!
Dempsey Robert –
I purchased the Autool CT400 thinking it should do a good job.. WOW, it cleans like a professional unit.
Mike –
Great quality cleaner and tester, I mainly bought it to test high pressure injectors
Daniel Najdovski –
If you are looking for a comprehensive fuel injector cleaning and testing equipment suitable for a variety of test scenarios, the performance of this machine can be said to be quite satisfactory.
First of all, its ultrasonic cleaning function is indeed effective. By energizing the injector through the pulse signal line, combined with ultrasonic vibration and special cleaning fluid, the carbon deposits and impurities inside the injector can be cleaned more thoroughly, which is suitable for deep maintenance.
In terms of test functions, it supports multiple simulated working conditions such as idling, medium speed, high speed, acceleration, and shifting, covering the working status monitoring of the injector under different speed ranges, especially the injection atomization test and leakage test, which are very helpful for judging the aging, blockage, and poor atomization of the injector.
In addition, the two functions such as reverse flushing and non-disassembly cleaning are also very practical for actual maintenance work. Backwashing sometimes has a miraculous effect on some minor blockages. Although it is not always possible to solve serious blockages, it is better to have an additional cleaning direction than only one-way flushing. Although non-disassembly cleaning requires an additional adapter, it is a good helper to save work time for some models that are not convenient to disassemble the injector.
Of course, as a comprehensive device, this machine has many operation menus. It takes some time to familiarize yourself with the switching process of each function when you use it for the first time. If you are a newcomer with no relevant experience, it is recommended to read the manual carefully first, or refer to some teaching videos.
H¨¦lder Pinheiro –
This injector cleaning and testing machine works great. It helped me identify faulty injectors and clean them effectively. Easy to operate and definitely saves time and money.
Aleksei Vetrennikov –
The AUTOOL CT400 injector cleaning machine is very easy to use! It is easy to operate, cleans and tests the injectors very accurately, and saves me a lot of maintenance time.
Theo –
The CT400 supports high-pressure testing in the cylinder. It has six test tubes, and I can test six of them at a time, which speeds up my work efficiency. However, everyone should pay attention that the liquid used for cleaning cannot be used as a test liquid. I did this before and the accessories were damaged. I contacted the after-sales staff and bought a new one. In addition, its cleaning function is also great. I not only use it to clean the injectors, but also use it to clean stained accessories. So I think it is a product of great value for money.
Chuluun (verified owner) –
AUTOOL CT400 Fuel Injector Cleaning Tester with GDI Test
Lukas Charlie –
I am very satisfied with the CT400 I purchased. It can meet my needs and supports testing GDI injectors. I can test six at a time, which improves my work efficiency. The cleaning effect is also very good through ultrasonic dithering.
Michael –
I bought the AUTOOL CT400 to maintain my direct injection engines , and I couldn¡¯t be happier. The performance of the injectors really affects power and fuel efficiency, and over time, carbon buildup can cause rough idling and poor acceleration. This machine makes cleaning and testing injectors straightforward and effective.
Desguace –
I recently bought the AUTOOL CT400 fuel injector cleaning and testing instrument, and it’s absolutely amazing! It not only cleans standard fuel injectors but also GDI injectors, and it can test up to six injectors simultaneously, making it incredibly efficient. The ultrasonic cleaning is powerful, removing carbon deposits and impurities. The voltage can be freely switched (12V, 70V, 120V), eliminating the worry of damaging the injectors due to incorrect settings. The control panel is clear and intuitive, and the test fluid can be easily recycled. Overall, this device saves time and effort, making it ideal for repair shops and a great value.
Scott –
Excelente
Ben –
It works very well and is quite easy to use.
Tom –
CT400 is worth every penny! It handles 12V, 70V, 120V injectors with no issues. The pressure is stable, leakage testing is reliable, and cleaning old injectors back to normal is super easy. My customers notice better engine performance right away. Great machine, fast delivery, excellent quality!
Cernty –
I’ve been using the CT400 injector cleaner for 2 months, and it’s a game-changer for my repair shop. It supports GDI, EFI, and most European and Asian models perfectly. Ultrasonic cleaning is strong, testing is accurate, and the 6-cylinder design saves so much time. Easy to operate, stable performance, and highly recommended for every mechanic!
Alvis Gibbon –
Excellent, the cleaning cycle and ultrasonic combination made the three faulty injectors come around – highly recommend this. Great Value for money