Key benefits - Expands spark plug compatibility and application scope across different engines and plug types - Quick ignition diagnostics by testing between the spark plug and plug wire in seconds - Cylinder by cylinder checkout without visiting a mechanic, saving time and effort - Compact, lightweight design with a safer, improved structure that reduces shrapnel risk What it does - Spark tester: expands compatibility with spark plug holes and broadens the range of spark plugs that can be tested - Ignition test: connects between the spark plug and spark plug wire in seconds to identify dirty spark plug connections, defective points, and bad cables or connections - Checker: allows you to check the condition of the ignition system at each cylinder without professional assistance - Small gas spark tester: features a new structure that lowers the risk of shrapnel during use Key attributes - Function: provides rapid, on-site ignition diagnostics for spark plugs and ignition system components - Compatibility: suitable for common spark plugs and plug wires across multiple engines - Size and portability: compact and easy to carry for home use, workshops, or roadside checks - Performance: fast connection and testing to quickly pinpoint ignition faults - Design: improved structure intended to enhance safety during operation Use scenarios - Home vehicle diagnosis: use on a car or light truck to quickly locate misfires by testing each cylinder’s ignition path without disassembly - Post-installation verification: after replacing spark plugs or ignition wires, use the tester to confirm clean connections and correct operation - Field or shop checks: perform rapid cylinder-by-cylinder ignition checks on engines with multiple cylinders to assess overall ignition system health before deeper diagnostics or repairs