- Effortless Ignition System Testing: Quickly assess the condition of your vehicle's ignition system on each cylinder with our ignition spark tester. No need for a mechanic—check it yourself. - Advanced Spark Tester Design: Featuring a built-in chip for enhanced functionality, this ignition tester provides accurate readings for reliable diagnostics. - Expanded Application: The increased size of the spark plug hole allows for broader compatibility with various spark plugs and enhances the usability of the tester. - Compatibility: Specifically designed for 12V petrol spark plugs, ensuring optimal performance for your vehicle. Practical Use Scenarios: - DIY Vehicle Maintenance: Perfect for car enthusiasts and DIYers who want to troubleshoot ignition issues at home without the expense of professional services. - Regular Vehicle Checks: Ideal for routine inspections to ensure your ignition system is functioning properly, helping to avoid potential breakdowns. - Professional Mechanics: A valuable tool for mechanics to quickly diagnose ignition system problems, improving efficiency in service delivery. This ignition coil test tool combines functionality, ease of use, and compatibility to deliver reliable performance, making it an essential addition to your automotive toolkit.