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Source: https://autoboss.com/product/mrcartool-v309-fuel-injector-tester-direct-injection/
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Reviews·13

5.0 / 5Based on 13 reviews
4 ★0%
3 ★0%
2 ★0%
1 ★0%
Truman C.

Machine was having issues but the aftersale service was very helpful and they sent a new motherboard at their cost. Now the machine is working normally again. Thanks for the service and support.

Bartels

Love this V309 tester! It’s super easy to use—4 cylinders let me check injectors quickly, and ultrasonic cleaning works like a charm. 9 test functions cover every scenario I need, and the smart panel lets me tweak settings with one button. 12V/70V/120V voltages fit all my needs, and I can do everything alone. Saves time and gets injectors back in shape fast—worth every penny!

Daniel

The price is fantastic, and the product quality is outstanding. The online support team was incredibly attentive in resolving my concerns. Feel free to purchase with confidence!! This is undoubtedly the best investment you can make for your workshop.

Specifications

BrandMRCARTOOL
Weight11000 g
Voltage Versions110V/220V
Functions3 cleaning + 9 tests (idle, medium, high speed, acceleration, variable speed, leakage, 3 injection volume tests)
Injector Count4 simultaneously
Measuring Cylinders110ml (also stated as 140ml in description)
Tank Capacity1600ml (also stated as 1300ml in description)
Simulated Speed0–7500 r/min
Drive Voltage12V / 70V / 120V
Applicable InjectorsStandard, high-pressure EFI/FSI/GDI
Adapters9 types
Weight11.4 kg
CompatibilitySource claims 98%/99% vehicle compatibility; for Mercedes-Benz, BMW, Audi, Porsche, Ford direct injection

Details

Ultrasonic Cleaning and Flow Testing for Standard and GDI Injectors

The V309 combines ultrasonic cleaning with microcomputer-controlled oil pressure testing. It simulates a range of engine conditions to clean and test high-pressure EFI/FSI/GDI injectors as well as standard injectors.

  • 4 Injectors at Once
  • 3 Cleaning + 9 Tests
  • 12V / 70V / 120V
  • 9 Adapter Types

Key Features

  1. Ultrasonic Cleaning

    Cleans injectors in the ultrasonic tank without damage, and can also clean spark plugs placed in the tank with cleaning fluid.

  2. Nine Test Functions

    Idle, medium speed, high speed, accelerating, variable speed and leakage tests, plus three spray volume tests to check for leaking and blocked injectors.

  3. Side-by-Side Comparison

    Four injectors are tested at the same time in large measuring cylinders, so a weak or faulty injector is easy to spot.

  4. Injector Voltage Selection

    Select 12V for standard injectors or 70V/120V for GDI injectors before cleaning or testing.

  5. Digital Control Panel

    One-button start and stop, with adjustable test time, working frequency, injection times and shortest switching period within the allowed range. One person can run the whole job.

Highlights

MRCARTOOL V309 with examples of standard and GDI fuel injectors it can clean and test
For Various Injectors

Standard injectors and GDI injectors from direct injection engines such as Mercedes-Benz, BMW, Audi, Porsche and Ford.

MRCARTOOL V309 GDI panel with 12V, 70V and 120V injector voltage selection
Voltage Selection

12V for standard injectors, 70V or 120V for GDI injectors.

MRCARTOOL V309 nine injector testing functions around a GDI injector
Nine Tests

Speed, leak and spray volume tests under simulated conditions.

Model Comparison

V309 V209 V308 V310 V311
Functions 3 cleaning, 9 testing 1 cleaning, 9 testing 1 cleaning, 9 testing 3 cleaning, 9 testing 1 cleaning, 6 testing
Injectors 4 4 4 6 6
Simulated RPM 0–7500 r/min 0–5000 r/min 0–7500 r/min 0–7500 r/min 0–5000 r/min
Adapter connectors 9 types 6 types 4 types 9 types 6 types
Injector types Standard and GDI/EFI/FSI Standard and GDI/EFI/FSI Standard Standard and GDI/EFI/FSI Standard and GDI/EFI/FSI
Voltage settings 12V / 70V / 120V 12V / 70V / 120V 12V 12V / 70V / 120V 12V / 70V / 120V
Cleaning fluid heating No Yes, 45°C Yes, 45°C No Yes, 45°C
Color display No No No 3.2 inch 5 inch

What’s in the Box

  • Main unit
  • Cleaning fluid drain valve
  • Ultrasonic cleaning cover
  • Oil separator
  • Washers
  • Sealing rings
  • Funnel
  • Fixing bolts
  • Plugs
  • Ultrasonic cleaning bracket
  • Pulse signal cables
  • Cleaning connectors
  • Power cable
  • User manual
MRCARTOOL V309 main unit with drain valve, cleaning cover, oil separator, washers, sealing rings, funnel, bolts, plugs, bracket, pulse signal cables, user manual, power cable and cleaning connectors
V309 main unit and included accessories.

Setup and operation: V309 user manual (PDF).

How to Use

  1. Pre-clean the exteriorWipe the outside of the injectors with cleaning liquid.
  2. Ultrasonic bathPlace the injectors in the ultrasonic tank, keeping the fluid below the pulse line connection port, and run the ultrasonic cleaning.
  3. Recover the fluidAfter cleaning, recycle the remaining cleaning fluid.
  4. Mount and checkFix the injectors on the main machine, check resistance, shorts and current draw, and fill the test liquid to half of the glass tube.
  5. Run the testsPerform leak, spray pattern and flow rate tests, then retest all functions after cleaning.

Good to Know

Caution
  • Do not turn on the ultrasonic cleaner before adding ultrasonic cleanser, or damage may occur.
  • Never put the pulse signal cable or its connector into the cleanser.
  • Do not run the ultrasonic cleaner continuously for more than 30 min, or its life will be shortened.
  • Cleaning injectors or the throttle valve without disassembly requires extra accessories sold separately.
Care
  • Add only enough cleanser to soak the injector needles.
  • Unplug the power when not in use.

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Offers

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Offers are applied at checkout according to the store rules.

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Delivery

Ships in 1-3 business days

Warehouses

  • US Warehouse
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  • UK Warehouse
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Choose the warehouse in the specifications.

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Service

  • Secure checkout

    Payments are processed over an encrypted connection.

  • After-sales support

    Contact us for installation or usage questions.

Specifications

Brand
MRCARTOOL
Weight
11000 g
Voltage Versions
110V/220V
Functions
3 cleaning + 9 tests (idle, medium, high speed, acceleration, variable speed, leakage, 3 injection volume tests)
Injector Count
4 simultaneously
Measuring Cylinders
110ml (also stated as 140ml in description)
Tank Capacity
1600ml (also stated as 1300ml in description)
Simulated Speed
0–7500 r/min
Drive Voltage
12V / 70V / 120V
Applicable Injectors
Standard, high-pressure EFI/FSI/GDI
Adapters
9 types
Weight
11.4 kg
Compatibility
Source claims 98%/99% vehicle compatibility; for Mercedes-Benz, BMW, Audi, Porsche, Ford direct injection

Reviews13

5.0 / 5Based on 13 reviews
4 ★0
3 ★0
2 ★0
1 ★0
Truman C.

Machine was having issues but the aftersale service was very helpful and they sent a new motherboard at their cost. Now the machine is working normally again. Thanks for the service and support.

Bartels

Love this V309 tester! It’s super easy to use—4 cylinders let me check injectors quickly, and ultrasonic cleaning works like a charm. 9 test functions cover every scenario I need, and the smart panel lets me tweak settings with one button. 12V/70V/120V voltages fit all my needs, and I can do everything alone. Saves time and gets injectors back in shape fast—worth every penny!

Daniel

The price is fantastic, and the product quality is outstanding. The online support team was incredibly attentive in resolving my concerns. Feel free to purchase with confidence!! This is undoubtedly the best investment you can make for your workshop.

Don E.

I put it through all of its functions. We pulled 2 fuel rails from a yard for our stock car. The V309 cleaned, tested each one. The volume cylinders are clear and well lit. The fittings were tight and we had NO leaks. Definitely worth every penny.

Solomon B.

I Bought this unit to clean our injectors for our race cars. I have used it a few times and it works great for the price. It has several cleaning options and a ultrasonic cleaner on top. So far so good.

Marco K.

This V309 fuel injector test kit is a godsend for fuel injector enthusiasts! Equipped with four test cylinders and a 1300ml reservoir, it can simultaneously test and clean up to four GDI or standard injectors, saving considerable time. Its ultrasonic cleaning function is impressive—it thoroughly cleans the injectors without causing any damage. The nine test functions cover all the scenarios I need to check injector performance. If you have cleaning needs, I highly recommend it.

Jessica T.

I was pleasantly surprised by the cleaning results, they were great. You can test and clean 4 injectors at a time, or just clean fewer if you want to plug other ports on the fuel rail. It’s easy to use and doesn’t take up much space in your garage or shop. Perfect for automotive enthusiasts, entrepreneurs or repair shops to save money and make money. The ultrasonic tank does a great job of breaking down fuel, carbon and dirt. The test unit also removes scale buildup. You can install the injectors with confidence that they will work and flow properly. This is helpful for verifying new injectors and checking the balance between injectors. Or get your old injectors back in tip-top shape. You can observe injection patterns at different pressures and simulated RPMs. It’s definitely a lot of fun in the store.

Smith

Recommended, you can visually check if the injector is working properly, and it’s very interesting to test the fluid recovery, very good product!

Joanne F.

I put it through all of its functions. We pulled 2 fuel rails from a yard for our stock car. The V309 cleaned, tested each one. The volume cylinders are clear and well lit. The fittings were tight and we had NO leaks. Definitely worth every penny.

Tracy R.

Worth every penny! Ultrasonic cleaner and back flushing features are great. Highly recommend this machine.

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MRCARTOOL V309 4-Cylinder GDI Fuel Injector Cleaner and Tester with 3 Cleaning & 9 Test Modes
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MRCARTOOL V309 Fuel Injector Tester Direct Injection
MRCARTOOL V309 4-Cylinder GDI Fuel Injector Cleaner and Tester with 3 Cleaning & 9 Test Modes

Original price was: US$469.00.Current price is: US$439.00.

Select options This product has multiple variants. The options may be chosen on the product page