Car spark plug test pen What this product is - A car spark plug test pen that serves as a car spark plug tester and detector. It helps diagnose ignition issues quickly across vehicles and equipment including cars, motorcycles, boats, chainsaws, and lawn mowers. Why you need it - Saves time and reduces frustration by quickly confirming whether a spark is present when the engine does not start. - Simple operation with no special tools required for quick on-site testing. - Built from high-quality material for durable, reliable performance over repeated use. Key features and benefits - Quick spark check: Provides an answer to the question “does it have a spark?” when an engine won’t start. - Easy to use: Easy to operate by following simple steps (see usage instructions below). - Broad compatibility: Designed for spark plug systems on cars, motorcycles, boats, chainsaws, lawn mowers, and similar equipment. - Durable construction: Made of high-quality material, durable in use. How it works - When the engine does not start, use the tester to determine if there is a spark. The device acts as a spark plug tester and detector to indicate whether ignition is occurring. How to use - Step 1: Remove the rubber sleeve from the spark plug. - Step 2: Insert the tester into the spark plug location. - Step 3: Place the tester sleeve on the spark plug and operate as needed to check for spark. Materials and build - Made of high-quality material for durability and reliable performance in field use. Use scenarios - Scenario 1: A car engine cranks but fails to start. Use the tester to confirm whether the spark plug is producing a spark. - Scenario 2: Maintenance on a lawn mower or chainsaw that will not start. Check for spark before replacing parts to avoid unnecessary repairs. - Scenario 3: Motorcycle or boat engine troubleshooting during routine maintenance or on-site diagnostics to quickly identify ignition-related issues. In summary - The car spark plug test pen combines a spark plug tester and detector in one easy-to-use tool. It helps determine spark presence quickly, supports multiple equipment types, and is built from durable, high-quality material for reliable use.