MRCARTOOL V30 Fuel Injector Tester Cleaner DIY Tool

Before using this device, ensure that the vehicle’s engine is turned off.
Do not smoke or ignite near the vehicle during operation.
Avoid splashing the vehicle’s fuel onto hot engine components.
Use this device only in well-ventilated areas.
Do not approach any rotating parts of the vehicle and refrain from touching any heated components of the vehicle.
Do not come into contact with any vehicle parts carrying hazardous voltage.
Wear qualified protective eyewear.
After completing the test, ensure that all disconnected vehicle connections are correctly restored.

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Compatible with Injector Cleaner Machines: This device enhances the cleaning and testing of fuel injectors on Injector Cleaner Machines by delivering pulse signals.
Adaptable to Various Fuel Injectors: It comes with two types of adapter fittings, allowing it to connect both injectors and carburetor cleaners.
After-Sales Service: MRCARTOOL offers a 48-month warranty and 7×24-hour friendly customer service to ensure your shopping experience.

Test Mode 1: Generates a 100-millisecond wide pulse every second, continuously outputting pulses to the fuel injector. During testing, the sound of the injector’s action should be audible. Use a multimeter to measure voltage fluctuations at the injector electrode. The digital display shows the continuous testing time in minutes.
Test Mode 2: Outputs 100 pulses, each with a width of 5 milliseconds. Observe the fuel injector during testing, and the digital display will show the number of consecutive test pulses.
Test Mode 3: Outputs 1000 pulses, each with a width of 3 milliseconds. Observe the fuel injector during testing, and the digital display will show the number of consecutive test pulses.
Test Mode 4: Simulates an idle state by continuously outputting pulses to the fuel injector. The digital display shows the continuous testing time in minutes.
Test Mode 5: Simulates a medium-speed state by continuously outputting pulses to the fuel injector. The digital display shows the continuous testing time in minutes.
Test Mode 6: Simulates a high-speed state by continuously outputting pulses to the fuel injector. The digital display shows the continuous testing time in minutes.

To check the current version number of the instrument, press the mode selection button continuously until the display shows the character “C231”.

Turn off the vehicle engine and remove the fuel injectors.
Connect the fuel injector plug terminal to the injector. For common electromagnetic fuel injectors, there is no distinction between the positive and negative terminals.
Attach the red electrical clip to the positive terminal of the vehicle’s battery and the black clip to the negative terminal.
Select the appropriate fuel injector connection adapter and insert the injector into the adapter.
Press the mode selection button to choose the desired testing mode, then press the start button to activate the fuel injector.
Attach the fuel injector connection adapter to the nozzle of the carburetor cleaner.
The fuel injector will begin spraying liquid. Observe the atomization and spray angle to check for any issues.