Luecke Spark Plug Tester — Compact, durable tool for fast ignition diagnosis Key benefits Quickly identify inconsistent spark timing and avoid lengthy troubleshooting. Save time and money by confirming whether a spark plug or ignition connection is the root cause of engine problems. Durable, heavy-duty construction built from high-quality materials for reliable performance in workshop or roadside use. Simple, direct diagnosis that helps pinpoint spark failures, defective contact points, bad cables, and weak or intermittent connections. What it does Tests spark plug connections and indicates whether the plug and its ignition circuit are producing consistent sparks. Detects timing-related irregularities that can cause engine misfires, stumbling, rough idle, or power loss. Provides a clear, hands-on way to verify ignition performance before replacing parts. Key attributes Brand: Luecke — professional-quality tool designed for accurate ignition testing. Construction: Heavy-duty, high-quality materials for long service life and repeatable results. Form factor: Compact, handheld design for easy use on bench or engine bay. (Small and portable for quick diagnostics.) Function: Works directly on spark plug connections to diagnose spark presence and timing consistency; also helps identify faulty wires, loose contact points, and other ignition-circuit faults. Practical use scenarios Routine maintenance: Quickly check spark plug function during scheduled tune-ups to confirm plugs and cables are operating correctly. Troubleshooting a misfire: Use the tester on a vehicle that stalls, loses power, or runs roughly to determine if inconsistent spark timing is the cause. Small-engine or powersports service: Test spark plug connections on motorcycles, lawn equipment, generators, and other small engines to isolate ignition faults before replacing components. Why choose this tester Clear, straightforward diagnostics let you make confident repairs without wasting parts or time. Robust construction and proven design for frequent use in garages and field repairs. Focused tool that complements multimeters and other diagnostic gear by directly revealing spark-related issues. Usage notes Designed for use on standard spark plug connections and ignition circuits. Follow vehicle or equipment safety procedures when testing live ignition systems. Use as a quick verification step before replacing spark plugs, wires, or ignition components. The Luecke Spark Plug Tester is a compact, durable diagnostic tool that helps you find spark-related problems quickly and accurately, protecting your time and budget while improving repair confidence.