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Features & 3 Years After-sales Service
Powerful Functions: The fuel injector cleaner is suitable for all gasoline vehicles, which can be used to clean the whole fuel system, intake system and TWC converter.（It is only suitable for gasoline injectors, not for diesel injectors.）
Simple Operation: Fuel injector tester is easy to operate and is a no-disassembly cleaning tool that can be used to clean the fuel system without disassembly, saving a lot of time and energy.
Efficient Cleaning: With high and low pressure cleaning functions, carbon deposits can be completely removed in about 20 minutes.
1000ML Large Capacity Cleaner Canister: It adopts a large-capacity stainless steel bottle to ensure pour enough fuel injector cleaner.
No Damage To The Equipment: It adopts a downward oil discharge design, which ensures no residue during cleaning and does not corrode the cleaning equipment.
0-150PSI Pressure Gauge: The high-precision pressure gauge can clearly display the air/oil pressure, and is equipped with a pressure regulating valve to adjust the pressure to prevent bottle explosion.
Automatic Pressure Relief: The fuel injector cleaning kit is equipped with a pressure relief valve, which will automatically release the pressure when the pressure in the bottle reaches 150 PSI, the whole cleaning process is safe and reliable.
Widely Applicable: It has a complete range of joints, mainly made of stainless steel and engineering plastics. It is one of the most complete joints on the market and is suitable for almost all cars and light trucks in the EU, Asia and America. light truck.
After-Sales Service:
Our fuel injector cleaner kit provides 3 years after-sales service. DUOYI would like to make sure that you have the best experience possible. If you have any questions before purchasing or during the use of the product, please feel free to contact DUOYI, and our professional customer support team will provide assistance within 24 hours and promptly help you solve any problems or concerns you may encounter.
TWC and Intake Manifold Flushing
1、Pour the TWC detergent into the bottle. Open the Ball Valve and Air Pressure Regulating Valve to keep the air pressure as zero.
2、Connect the TWC Flushing Kit to the output pipe of the product.
3、Disconnect the Intake Vacuum Pipe which near the throttle and insert the TWC Flushing Nozzle into Intake Vacuum Pipe.
Start the engine, and open the Ball Valve slowly which be sure to make the detergent into engine vacuum pipe very slowly. The flushing process needs about 30 or 40 minutes.
4、Keep the engine speed up to 1000 rpm and press the accelerator every 3~5 minutes to make the engine speed up to 2000~3000 rpm and keep this state for 30 seconds. Then keep idle speed.
5、Do the flushing procedures as above until to exhaust the detergent. Then stop engine and reconnect the vacuum pipe.
Start engine as idle speed for about 5 to 10 minutes to exhaust the detergent in the pipe.
Fuel System Cleaning
Pour the mixture of gasoline and detergent into steel bottle of the product.
Close the valve of product’s fuel-outlet pipe and open the valve of product’s air-inlet port and then connect to the compress air. Adjust the pressure of air within 0.3 to 0.4MPa ( 3 to 4kgf/cm2 ) by air control valve.
Close the valve of product’s fuel-outlet pipe and open the valve of product’s air-inlet port and then connect to the compress air. Adjust the pressure of air within 0.3 to 0.4MPa ( 3 to 4kgf/cm2 ) by air control valve.
Start engine to start flushing the fuel system.
Drain out the pressure in the product’s bottle after flushing, and then disconnect the product.
Restore all of the pipes of the fuel system and check there have no leaking.
Throttle Body and Exhaust Pipe Flushing
Pour the Throttle Body detergent into the bottle, and close the Ball Valve of the fuel outlet pipe. Open the ball valve of the air inlet port and connect to the compressed air. Adjust the air pressure to about 0.5MPa ( 5kgf/cm2 )and then close the Ball Valve of air inlet port.
Connect the spray nozzle kit to the fuel outlet port of the product.
Remove the pipe ahead of throttle before flushing.
Put the spray nozzle kit in the throttle body and start the engine. And then open the Ball Valve of fuel outlet port.
Keep the engine speed up to 1000 rpm and press the accelerator every 3~5 minutes to make the engine speed up to 2000~3000 rpm and keep this state for 30seconds. Then keep idle speed.
Do the flushing procedures as above until exhaust the detergent.
Reconnect the pipes and initialize the throttle.
Packaging Details
1pc TWC cleaning joint
1pc throttle cleaning nozzle
1pc hose opener
1pc funnel
1pc return pipe clip
1pc leader air hose
1pc heavy blow molded plastic box
1pc user manual.
2pcs hose clamps
3pcs hose plugs
3pcs thread plugs
4pcs universal hose quick coupling
25pcs vehicle adapters
Amargo
Reviewed in the United States on March 7, 2025
Used it on a 2000 Jeep 4.0. Worked great improved fuel economy and performance. Has so many attachments have no clue what they go to. I would be great if have instructions on which vehicle they were for. Instruction on how to operate were satisfactory.
DM
Reviewed in the United States on February 12, 2025
this is a low pressure system and will not clean high pressure clogged injectors
JUAN N. RODRIGUEZ
Reviewed in the United States on February 10, 2025
Thank you, Amazon
Jack Grambo
Reviewed in the United States on August 21, 2024
Bought this for my nephew who is a self-taught mechanic and enjoys working on a variety of engineer. It's useful for cleaning and maintain an engine's fuel injectors. He is very satisfied with its quality and utility. Recommended.
azulmarino
Reviewed in the United States on November 7, 2024
Crappy instruction "manual". They didn't pay an English-speaker a few bucks to make it easy for the end user. The kit has many fittings, but almost NOTHING to tell you how to use them. There's no diagram or photo of the tank labeling the operational parts, or identifiers for all the pieces. Lazy, they don't give a damn. If you're not an experienced car guy, you're going to have to guess. Otherwise, you'll be asking yourself repeatedly " I wonder what this is for ?" The pieces look good, but I won't know if they're accurately machined until I use them. I figured out how to use it with injectors out of the engine, but that's all so far.
Kindle Customer
Reviewed in the United States on October 30, 2024
This was an Easy plug and play Fuel Injection Tool
Prosumer
Reviewed in the United States on April 9, 2024
Alright, I may have seen an even larger kit than this one, but for general automotive mechanics this set does give you a little bit of everything from Asian/European to Domestic vehicles. I've so far been able to use the AN fittings on an BMW to flush some B12 Chem Cleaner into the fuel line. Although I'm working with direct injectors, on non-operating engine cleaning I was able to create a jig with the injectors out of the car and ran the B12 chem cleaner flush with components borrowed from this kit. That's a big plus because I don't easily come across BMW fittings unless I pay big dollars to get the OEM tooling/adapter. For that alone this kit is well worth getting.I've also used this kit twice to run the angled spray through the intake duct for throttle body cleaning/modulation. After running it for 15 minutes, I checked the throttle flap, it surely does work well to clean the throttle body and the intake valves. Note that this is only applicable to cable driven throttle bodies, I haven't been able to deal with electronic throttle's using this kit. To do that one will need a console to talk to the ECU while the engine is running and modulate it on the spot. I don't have that much equipment to do so. So yeah, my review is very limited to doing some injector flushing on a BMW fuel rail and cleaning some throttle bodies on legacy cable-driven setup. I didn't have the opportunity to test other fittings and other variety of cars to yield a bigger review. But the whole thing works well, the bottle is very corrosion resistant; I've run carb spray and B12 chem cleaner in the can and so far none of the valves craps out or anything like that. The kit does appear to have quality parts to work with. I do highly recommend this kit for inclined mechanics looking for a kit that has a little bit of everything.
Dave68471
Reviewed in the United States on April 2, 2024
This product was great for cleaning out the fuel injectors, throttle body, and CAT. However they screwed on the regulator parts on too tight and had to take it apart to get it to work right. It worked like a camp.
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