10 Best Small Engine Spark Plug Testers

Product Features

• Gives a Visual Check of the Ignition System.
• Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire.
• The tool is double-ended to offer a straight boot and a 90boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.

Product Features

• 【Why Do You Need It?】By comparing the spark intensities of the two spark plugs,judge the performance and ignition intensity of the spark plugs,and replace the broken spark plugs in time. Spark plug tester has two spark plug socket, you could compare and test to make an accurate judgment at the same time. The design of the protective cover can prevent you from the risk of electric shock during the test,which effectively guarantees your safety during the operation.
• 【Widely Application】12V Gasoline vehicles car spark plugs, 100V-240V input voltage . used to test 12V gasoline vehicles car spark plugs (a diameter of 12mm).Universal for spark plug tests crankshaft engines and motorcycles.
• 【Time-saving & Efficient】The working principle of the car spark plug tester is to test the performance of the spark plug by simulating the work of the engine. Suitable for spark plugs of most 12V gasoline cars.
• 【Easy Plug and Play】Spark tester automotive is easy to operate, and you can start using it after connecting the adapter. you can adjust the working frequency in the range of 0~6000rpm .Spark plug tester can also simulate the work of the engine, Restore car start which can better test the spark plug.
• 【Humanized Design】In order to make the use process safer, the spark plug tester comes with the latest car spark tester with a special protective cover design. Cover the protective cover before use to ensure the safety of the operator during the test and observe the test results visually.
• 【High Quality】Made of durable ABS material,which has the characteristics of impact resistance and heat resistance.Lightweight and portable, can be placed in the repair package for a long time.
• 【Three Years Warranty and Lifelong Maintenance】For the damage caused by non-human factors, AUTOOL promises to resend the parts for free within 3 years. For any demand, we warmly welcome you to contact us, and we will reply you as soon as possible within 24 hours.

Product Features

Product Features

• The Ram-Pro Engine Spark Tester Probe is a must have diagnostic tool for any engine with a spark plug, & can quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system
• HOW TO USE: Simply connect the tester between the spark plug and the plug wire, if spark is being sent, the tester will mirror the spark and light up - Find dirty spark plugs, defective points, bad cables or connections, etc.
• DIMENSIONS: 6" boot/cable, 5" shaft/light housing; 2.2 oz. DESIGN: Nickel Plated Shaft, Double ended flexible tool offers a straight boot -– Internal bulb lasts for years, but is replaceable through transparent housing
• MUST HAVE: When engine won't start, gives instant answer to 'does it have spark?' - Saves time, frustration and money while also offering a safe secure way to identify spark
• USE FOR: Essential Troubleshooting for All Internal & External Combustion Engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators etc. - A must have for any individual, professional mechanic garage and auto shop

Product Features

• Test the life of your spark plug
• Similar to Briggs and Stratton 19368 Ignition Tester
• Use with the engine running or just cranking
• Red and black in color
• Check for ignition problems before replacing any parts

Product Features

• 【Test Two Plugs at Once—Double the Insight, Double the Efficiency!】Why guess when you can compare? With our dual-hole test function, you can instantly evaluate and compare the spark strength of two plugs side-by-side.ANCEL sp02 spark plug tester automotive is your best choice. Spot weak plugs in seconds and replace them to maximize your engine's performance. Whether you're a pro mechanic or a car enthusiast, this spark tester saves time and keeps your engine firing on all cylinders—literally!
• 【Fits 99% of Gasoline Engines—One Tool, Endless Options】Whether it's a 12V or 24V spark plug, a crankshaft engine, or a motorcycle plug, ANCEL SP02 spark tester small engine works across the board. Even for spark plugs with different heights, it's got you covered. Stop wasting time guessing—get accurate results every time.
• 【Fast Setup, Real Results—Engine Testing Made Easy】No complicated steps, just plug in your spark plug, twist the knob, and you're all set. The adjustable speed dial (0–6000 RPM) lets you fine-tune the simulation to match your car's engine performance. Pro tip: 2000 RPM is already peak spark—so no need to crank it up further!
• 【Test Safely, Every Time—We've Got You Covered】Your safety is our priority. This spark plug tester and coil tester comes with a clear protective cover that shields you during testing, while still letting you view the spark results with ease. Focus on the task at hand without worrying about accidental sparks—peace of mind, guaranteed.
• 【Built to Last—Your Trusted On-the-Go Companion】Crafted from heavy-duty ABS material, this spark tester tool is heat-resistant, impact-proof, and ready for the long haul. Lightweight and portable, it's perfect for quick tests whether you're in the garage or on the road.
• NOTE:The inline spark plug tester DOES NOT work with very short plugs such as those used in chainsaw.Spark checker( probador de bujias automotriz ) will not reach the test contacts at the bottom of the unit.please reach out 📫toptool-service @o utlook.com 📫 our expert team is ready to help.

Product Features

• 【Diagnostic Function】: A misfire in the ignition can lead to engine failure or loss of power, and this spark plug ignition tester can quickly and easily diagnose your car's ignition and engine problems and defects. It also checks for poor spark plug connections, contact points, cables and other problems.
• 【Light Indicator】: The spark plug checker has an indicator light design which is very sensitive. You can easily know the spark and engine status by the flashing of different lights. A strong bright white light indicates a good spark, while a jumpy, dull color indicates a weak coil or plug.
• 【Directions for Using】: First, remove the spark plug wires after turning off the engine. Then, connect the black connector to the spark plug. Finally, insert the metal end of the tester into the spark plug wire. When the engine is started, the indicator light will flash if the ignition circuit will be on.
• 【High Quality】: Plastic housing is hard, impact resistant and not easy to break or deform. Built-in wire is made of pure copper, with good conductivity and can withstand high voltage current. The metal head connector of the spark plug is wear-resistant and durable.
• 【Wide Application】: The inline spark plug tester is suitable for various internal and external engines, and is an indispensable diagnostic tool for vehicle engines. It is widely used in cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators and more.

Product Features

• 【Wide Application】: The inline spark plug tester is a must have diagnostic tool for any engine with a spark plug, it fit for all internal and external combustion engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators engines etc. Spark plug tester apply to any household, business, mechanic, industrial and commercial spark plug use in engine.
• 【Premium Materials】: The probe of this spark tester is made of high quality plated shaft, the optical housing is made of environmental friendly acetate plastic, and rubber straight jacket and cable. High quality materials are resistant to rust and corrosion, even in high and low temperature environments.
• 【Easy to Use】: Easily determine which cylinder is causing issues with this spark plug test light; Simply connect the spark detector spark plug tool between the spark plug and the plug wire then start the engine; If sparks are being sent, the in line spark tester will mirror the spark by lighting up; If checking a no start condition, have a friend crank the engine so you can watch for indications of a spark.
• 【Light Indication】: The spark plug engine ignition test kit is equipped with a high intensity neon bulb inside, which makes it easy to know if the ignition wires are intact by flashing. By light indicator shows of spark plug engine ignition tester to determine which cylinder is causing the issue and track down the exact cause.
• 【Excellent Customer Service】: We are dedicated to researching in-car products to improve driving safety and comfort, bringing you a pleasant driving experience. Should you have any questions, please do not hesitate to let us know. We are ready to help you!

Product Features

• Engine Spark Plug Tester: Spark plug ignition tester can quickly diagnose ignition and engine problems and defects, troubleshooting spark plug connections, contact points, damaged cables wait. This is a practical diagnostic tool for any engine with spark plugs
• How to Use: Connect the black skin of the tester to the spark plug and the metal end of the tester to the spark plug coil. After starting the engine, if the ignition circuit has been completed, spark tester automotive light will flash
• Materials: The probe of this spark tester is made of plated shaft, the optical housing is made of friendly plastic, and rubber straight jacket and cable. Spark plug tester for small engines will not easily rust and corrode during use
• Wide Application: The inline spark plug tester is a must have diagnostic tool for any engine with a spark plug, it fit for all internal and external combustion engines, cars, trucks, motorcycles, chainsaws, trimmers, snow-blowers, generators engines etc
• Reliable Choice: We always put the interests of customers first, your satisfaction is our greatest pursuit. Hope we can become your closest partner at the same time. Package includes: 2 x inline spark plug testers

Product Features

• 【High Quality Material】This product adopts high quality electroplating shaft, rust and corrosion resistance. Rubber protective sheath, high temperature resistant wire, well insulated, tightly bonded to connector. The lamp shell is made of environment-friendly acetate fiber plastic, which has no impact on the low temperature environment.
• 【Quick Problem Diagnosis】The Spark tester is an excellent tool for quickly and easily diagnosing ignition and finding engine problems and defects. Can also check spark plug connections, contact points, cables and other bad problems.
• 【Easy to use】The product through the spark plug engine ignition tester indicator light display, determine which cylinder is causing the problem, and trace to the determined cause. Remove the spark plug wire after turning off the engine. Attach a black connector to the spark plug and insert the metal end of the tester into the spark plug wire. After starting the engine, if the ignition circuit has been completed, the bulb will flash.
• 【Wide Application】Spark plug tester is suitable for all internal and external combustion engines, like cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators and so on can be used. It's a must-have item in personal and auto stores.
• 【Premium Service】Our spark plug ignition tester can quickly and easily diagnose ignition, check for engine problems and rule out defective cables and contacts, etc. If there is any problem with our products, please contact us immediately and we will try our best to solve the problem for you.