Adjustable Ignition Spark Tester Spark Plug Tester Tool Car Engine Coil Diagnos
✅ Quick No-Start Diagnosis Quickly test ignition voltage, spark intensity, and coil quality by observing spark color and jump distance, perfect for troubleshooting no-start or misfire issues. ✅ Adjustable Spark Gap Design Easily adjust the spark gap from 0-40mm with the turn of the knob, allowing you to check ignition power reserve. A healthy system should maintain at least 15mm clearance. ✅ Multi-Vehicle Compatibility Works with cars, motorcycles, and small engines. The removable adapter tip makes it versatile for most standard and small plug connections. ✅ Clear Readings & Safe Operation High-visibility markings make gap readings easy. The alligator clip securely grounds the tester, protecting the ignition coil from burnout and preventing fire hazards. ✅ Compact & Durable Build ✅ Easy to.