MRCARTOOL H90 Spark Plug Tester Dual Hole
$49.99 Original price was: $49.99.$39.99Current price is: $39.99.
Adjustable Hole Position Height: The height ofthe test socket is adjustable supporting not only standard spark plugs but also accommodating longer spark plugs used in BMW, Volkswagen, and Audi vehicles.
Battery Clip Design: Efficient and convenient, no power outlet required.Testing can be performed by connecting directly to the battery.
After-Sales Service: 48 months warranty and 7×24 hours friendly customer service to ensure your shopping experience. Onlie Support>>
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MRCARTOOL H90 primarily tests the performance and ignition strength of automobile spark plugs, making it suitable for gasoline-powered cars with a 12V drive. This product allows users to compare two holes simultaneously and simulate real engine conditions. It reaches a maximum RPM of 9000, features digital display control, and enhances testing accuracy and the efficiency of maintenance personnel.
- Do not plug or unplug the spark plug when it is electrified. If insertion or removal is necessary, the power must be turned off.
- When the spark plug is in operation, the voltage reaches tens of thousands of volts.Do not touch it with your hands to avoid injury to the body.
What is the difference between all MRCARTOOL Car Spark Plug Tester ?
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MRCARTOOL Car Spark Plug Tester with Auto Adjustable for 12V Vehicles $25.99
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MRCARTOOL H90 Spark Plug Tester Dual Hole
$49.99Original price was: $49.99.$39.99Current price is: $39.99.
MRCARTOOL H90 Car Spark Plug Tester Features
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- Dual-hole Design: MRCARTOOL H90 spark tester allows simultaneous testing of two 10mm, 12mm, 14mm, 16mm, and 18mm spark plugs. This design offers improved efficiency compared to traditional ignition coil pack tester tools.
- Adjustable Hole Position Height: The height of the test socket is adjustable supporting not only standard spark plugs but also accommodating longer spark plugs used in BMW, Volkswagen, and Audi vehicles.
- Battery Clip Design: Efficient and convenient, no power outlet required. Testing can be performed by connecting directly to the battery.
- HD Digital Display: This ignition coil tester tool covers a broad RPM range from 500 to 9000 rpm.Precise regulation with an intuitive display of speed range values.
- After-Sales Service: MRCARTOOL offers a 48 month warranty and 7×24 hour friendly customer service to ensure your shopping experience. If you have any questions about EVAP leak detectors, please contact us directly.
How To Use The MRCARTOOL H90 Car Spark Plug Tester?
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- Step1: Adjust the height and insert the spark plug into the appropriate test socket.
- Step2: Connect the battery clamp wires: attach the red clamp to the positive terminal and the black clamp to the negative terminal.
- Step3: Turn the switch and observe the working condition of the spark plugs.
- Step4: Adjust the simulated RPM and compare the different working conditions of the spark plugs.
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Packing List :

Weight | 0.6 kg |
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Dimensions | 9 × 11 × 7 cm |
Ship From | China, Germany, United Kingdom, United States |
Delivery
I liked how easy it was to see when it was lighting up. Easy to install and is sensitive enough to tell if it is a strong signal or a weak one.
Definitely worth the money. Great price for what your getting and works very well.
This is a must have, 30 years in the automotive service, this will make diagnosing older cars a blessing. Very affordable.
It works great and the guys are really happy with it. Quality is great!!!
Was having some issues with my two stroke lawn equipment (blower and weedwhip) one had a clogged carb, one had a bad spark plug. Nice to be able to compare spark on the old plug to a new one and see the issue. Gonna get one for my dad and father in law for xmas.