Spark Plug Tester Efficient Diagnostic Tool: Simulates engine RPM (0-6000 RPM) to inspect spark quality across various engine types, ensuring accurate diagnosticsTool for Car Engine
Dual-Hole Design: Allows simultaneous testing of two spark plugs for quick comparison of spark intensity, enhancing diagnostic efficiency by contrasting a good plug with a used or dirty one
Wide Compatibility: This ignition tester works with 12V gasoline vehicles, including crankshaft engines and motorcycles. It accommodates both long and short spark plugs; use shims for proper connection with longer plugs
User-Friendly Operation: Easy to use—simply plug in the spark plugs, adjust the RPM setting, and observe the spark quality for immediate results without the need for professional skills
Ideal Testing Conditions: Best used in dark environments to enhance visibility of spark results; avoid strong light to prevent interference with testing