THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning Tool Kit, 8 Pulse Modes, 4 Wire Dual Channel for 2 Fuel Injectors, 8 Size Cleaning Adapters, 12V/5V Output Power

Very useful on checking spray from your fuel injectors. Been having an issue with my 99 Tacoma injectors and a place I have purchased their so called "rebuilt" injectors. With this you know exactly what yours is doing. The pulse modes are very useful. Shutting it down and restarting like it would if it was in your vehicle. Keeping the clearer pressure to your injector was the biggest problem with it. Its all in how you set it up. Well worth my investment.

I used this to test and clean my fuel injectors as part of an engine rebuild. The product worked well and I recommend it...but I do have some notes: 1) The "cleaning adapters" let you insert a fuel injector, and then place the adapter and injector on a can of carburetor cleaner. I tried 4 different brands of cleaners. Most leaked between the cleaning adapter and the can. One brand (STA-BIL) did not leak: it has a different type of button on the can (a large "comfort" button), with a 4mm stem underneath. The other brands (O'Reilly, et al) have a smaller "standard" button with a 3.25mm stem underneath. These leak. This is despite using the o-rings that come with this tool. In other words, to prevent leaking the stem of the can must be 4mm to achieve a tight fit in the adapter. The provided o-rings do not prevent leaking when using a smaller 3.25mm stem that does not fit snuggly into the adapter. This is an inconvenience, but not an insurmountable problem. 2) When using the STA-BIL carb cleaner that fit tightly into the adapter, it maintained a lot of pressure (a good thing)...but is hard to hold together when the fuel injector is closed. You will probably want to set the tester to a continuous mode, start the testing, and then spray the cleaner. (If you try to start spraying the cleaner first, you will have trouble holding the injector, adapter, and can together while initiating the testing.) 3) The modes are basically: Off; Low Power: single cycle, short burst, long burst, continuous; and High Power: single cycle, short burst, long burst, continuous 4) The tester basically is just turning power on and off rapidly...simulating what the vehicle does. Perhaps "exerciser" is a better word than "tester". 5) The tester does not actually evaluate the fuel injector in any way. 6) The tester takes standard 12 volt DC power. You can connect it to your car battery or use any 12VDC barrel connector power supply that provides at least 2 amps. 7) The high power modes are useful if the fuel injectors are stuck (such as they may be if they have sat for a while with ethanol fuel in them). In this case, the low power modes may not cycle the injectors...but the high power modes may cycle them just fine.

For the price, it is a great deal. I used to diagnose and locate a bad fuel injector on 3 different vehicles. It is built kind of flimsy, but for a home tester it is fine, just handle it with care. The fuel injector cleaner adaptors that come with it did not fit the injectors in the Mercury Villager, but they worked fine on the Ford Fiesta. I don't know how often i will use it but it was a way cheaper repair using this and doing it myself.

I got this to clean my motorcycle injectors. It works great. I hardest part with doing the cleaning is holding injector, the orange adaptor and pressing the fuel injector can.

excellent product

Simple device that every mechanic should have. You could do the same thing with some DIY device, but the simplicity and function of this device does more than a DIY would. It comes with 8 different fuel injector testing sockets with different diameter holes to test various sized injectors. It also comes with 2 o-rings and a small roll of teflon tape. I do suggest buying an o-ring set from auto store just in case the ones in the kit are too big. These o-rings are meant to be used for a better seal for the test kit. You could use the o-rings on the injectors, but they tend to pop off when testing from the pressure. In any case I would hold the injector securely with 1 hand when testing with a spray can, don't you're using an actually pressure tester. The basic test with a spray can is simple, insert injector to its proper test socket size. Attach spray can OR you can use a spray straw which is what I had to do. Its hard to find a can where the adapter can fit on the can, but the spray straw worked for me. If no spray comes out, you're good. If spray comes out, the injector solenoid is stuck in the open position. Then you attach the leads to the injector and power the device. Choose a pulse setting preferably 4 or 8 as they are constant pulses which is great for cleaning. Then begin pressing the can as the pulse is going through. Spray should begin coming out. If not then injector is bad. Look up videos for more info.

Works great to test injector failure, but testing the spray pattern was less successful. To test the injectors "dry" as a good/bad injector, the tester worked great. I had two out of eight bad injectors. As I was trying to determine if my issue was injectors or coils, it solved my delema on what to fix, and replacing the injectors solved the problem. When attempting to test the pattern, the pressure from the cleaning fluid would frequently push the injector off of the adapter. I found I needed an assistant to hold the injector in place, while I started the cleaner flow. This might also be accomplished by clamping the injector in some fashion. Overall, it solved my problem at a minimal price, avoiding my throwing parts on the vehicle blindly to fix two "cold" cylinders

Worked well for injectors out of a Mercury 2 stroke 150hp EFI. The cleaning attachment works just fine with a can of O’Reilly carb cleaner. You just need to hold everything tightly because of the pressure.

Works well. Trusted 8 modes in all working order. The reset button that comes with this device is handy and the products that come are all included.