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โก Clean, Test, Dominate: The Ultimate Injector Care Machine for the Modern Pro
The AUTOOL CT400 is a professional-grade ultrasonic fuel injector cleaner and tester designed for all 6-cylinder petrol vehicles. It supports GDI, EFI, and FSI systems with multi-voltage options (12V/70V/220V) and offers 9 testing modes to simulate real-world driving conditions. Its eco-friendly design recycles test liquids and features durable, quick-replace parts. Backed by a 3-year warranty and lifetime technical support, itโs trusted by automotive pros to maintain injector performance and extend engine life.















| ASIN | B09Q69M6HZ |
| Best Sellers Rank | #22,968 in Automotive ( See Top 100 in Automotive ) #2 in Fuel Injection Systems Cleaners |
| Brand | AUTOOL |
| Customer Reviews | 4.3 4.3 out of 5 stars (63) |
| Date First Available | February 28, 2022 |
| Item Weight | 36.2 pounds |
| Item model number | CT400 |
| Manufacturer | AUTOOL |
| Manufacturer Part Number | CT400 |
| Model | CT400 |
| Product Dimensions | 17 x 17 x 19 inches |
K**.
Easy and effective to use.
Highly recommend this if you are running E85 . I pre soaked the injectors overnight in ultrasonic cleaning solution and just that I believe softened and took a lot of gunk off. Then I ran them in the Autom ultra sonic cleaner machine and even more came out . I plan to use this every 15,000 miles on my injectors now as the DI injectors cost $1,100 USDA to replace. I plan to clean my old DI injectors and see if they work. You do have to do a little research to the the flow rate of the injectors when doing the flow test with the machine. I plan to run a pre flow test with the old DI injectors and another after cleaning them . If this machine ever breaks, Iโm getting another one and getting one of the upgraded ones. Definitely worth the money.
C**D
Great for the neighborhood mechanic
Works great. Easy set up and to use. Easy to clean. Compact so it doesn't take up much workbench space. I use it so much we leave it set up. Clean injectors very nicely.
G**I
Fun
A great machine, fun to use (for a gearhead) and worth the investment.
A**8
Great so far
I've had the machine for about a month and have tested several sets of injectors. Worked flawlessly so far. Easy to use and set up. Once in a while you get an injector that doesn't sell on the bottom flange and but repositioning the injector usually fixes that problem. I would give it 5 stars but don't know longevity of machine.
E**E
It works
Works great! Itโs not a miracle machine but if your injectors are clogged it will clean them.
N**E
Love it
Perfect machine
D**L
Good for cleaning but no chemical to get rid of cleaner
After cleaning and testing had to buy another machine to clean the chemical out of injectors
K**1
Autool
Great machine for the price
A**D
Works good
Good quality
S**S
HAPP[Y WITH LOOKS OF EQUIPMENT
I HAVE A PROBLEN , I CONNECTED 110V POWER SUPLY ,DISPLAY LIGHT UP THEN WENT OFF , POWER IS STILL ON AND FUSE OK , CAN YOU PLEASE HELP
Trustpilot
2 days ago
2 months ago