This new spark plug tester and ignition system diagnostic tool helps quickly identify issues with spark plugs and ignition coils on car engines. It is an in-line test tool designed for straightforward engine troubleshooting. The item condition is new. Free shipping is available. This tool is suitable for automotive technicians, DIY mechanics, and anyone performing engine maintenance or tune-ups. It provides a practical way to check for spark and diagnose common ignition problems. Check the listing for full details on compatible vehicle models and any specific technical specifications. Spark Plug Tester Ignition System Coil Engine Car In Line Diagnostic Test Tool. Condition: New. Listed at 4.99 USD. Adjustable High Energy Ignition Spark Plug Tester Pick Up Coil Diagnostic Tool Ignition Coil Tester Spark Plug Tester. Ignition spark tester with spark gap This product is the quickest way to test for no-start conditions.