Spark plug tester - Safe material and durable design: Made from high-quality rubber material, this tester delivers reliable performance across a wide temperature range and offers a durable build for long-term use. - Efficient maintenance: Quickly detect issues to streamline maintenance and keep engines running smoothly. - Effective fault troubleshooting: Identify engine problems fast with smart LED indicators that provide clear fault guidance. - Easy to use: Simply connect, start your engine, and monitor results. No need for complex tools or specialized skills, making the process quick and convenient. - Key attributes: function, material, and performance are designed to support straightforward ignition diagnostics. Use scenarios: - Routine vehicle maintenance in a home or shop. - Quick diagnostics after ignition issues or misfires to pinpoint problems. - Post-repair verification to confirm spark plug ignition is functioning correctly.