DIY Spark Plug Tester - No MoreGuessing!

Is your spark plug really working, or is it time to replace it? With this simple DIY spark plug tester, you can check its condition in just a few minutes! In this video, I'll show you how to build an easy and affordable tester to diagnose spark plug issues without expensive tools.

🔧 What You'll Learn:
✅ How to make a spark plug tester with minimal materials
✅ How to tell if your spark plug is faulty or still good
✅ The correct way to test a spark plug and avoid unnecessary replacements

🚗 Save money on car maintenance with this simple trick!

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#DIY #SparkPlugTester #CarRepair #AutoMaintenance #HowTo #CarDIY #EngineRepair #MechanicTips


All parts required:
high Voltage transformer 3.7 _4.2 v to 15kv
Z44 MOSFET with heatsink
330 ohm resistor
3.7 v rechargeable battery
a spark plugs Head
some wires
a small plastic box
a soft spring
a cooper washer
solder and some wires

⚠️Attention:

Be aware that prolonged use, use with a very wide gap, or operation without a load puts stress on the MOSFET and causes it to overheat.

This tester can also be used as a lighter for igniting fires, It operates using a plasma spark.

👉Transformer info:
For the transformer, unwind the secondary coil as shown in the video. Then, winding five turns using a 0.50mm wire. After that, fold the wire's end, cover it with tape, and wind another five turns. Cover it with tape and finally assemble it.