We consider a spark strength tester to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best spark strength tester for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Lisle Spark Strength Tester READ REVIEW

Best For Recessed Plugs: Buy: Tool Aid Spark Strength Tester READ REVIEW

Best For Lawn Mowers: Buy: Origlam Spark Strength Tester READ REVIEW

Best For Super Cheap Price: Buy: Abn Spark Strength Tester READ REVIEW

Best For Air Pressure: Buy: Thexton Spark Strength Tester READ REVIEW

Best For Testing Spark Plugs: Buy: Vxscan Spark Strength Tester READ REVIEW

Best For Spark Plug Inner Hole Diameter: Buy: Beley Spark Strength Tester READ REVIEW

Best For Output Power: Buy: Catudiy Spark Strength Tester READ REVIEW

Best Better Design: Buy: X Autohaux Spark Strength Tester READ REVIEW

Best For More Accurate Data: Buy: Duoyi Spark Strength Tester READ REVIEW

Best For Full Length: Buy: Dianrui Spark Strength Tester READ REVIEW

Best Overall: Lisle Spark Strength Tester

Buy on Amazon

The Lisle spark strength tester is the epitome of what a great tester should be. The Lisle Spark Strength Tester would be perfect with durable construction, gets the job done and it works well. Make sure this fits by entering your model number. Also, it works ok and it makes for a great buy.

The tester made for nice quality and it found ignition problems. Most importantly, the lisle spark strength tester works as described and it is perfect for great quality.

Most buyers opine that the tester is very bright turning over and while running. Also, they strongly agree that the tester works well on a car, but is a little challenging on a motorcycle. In addition, they also found that this tester is very safe and easy to use. In short, the tone of buyers is very positive and we believe that the tester suits the purpose.

• Gives a visual check of the ignition system.
• This is easy to use even for the amateur mechanic.
• It is easy to tell if the ignition system is working.
• This is the perfect tool for trouble shooting small engines.

Best For Recessed Plugs: Tool Aid Spark Strength Tester

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tester. The Tool Aid Spark Strength Tester is exactly that - it's a simple tester that hits all the right notes. The tool aid spark strength tester is a spark plug, plug wire, mechanical, fuel injection or electrical problem. Make sure this fits by entering your model number. Further, the tester makes for a great buy, can calibrate for a wide range and it is deep.

The tester works as described and it works OK. In addition, it is sturdy and it is very handy. Most importantly, the tool aid spark strength tester is very good and it does the job.

Almost all buyers opine that the tester is made of heat resistant silicone. Further, a few say that the tester has worked well, and is definitely a great tool for the price. Moreover, a few strongly agree that the tester comes with a variety of components necessary to test different configurations of sparkplugs on vehicles/equipment. In conclusion, the tone of buyers is very positive and we believe that the tester suits the purpose.

• This is perfect for recessed plugs, well built, and should last a long time.
• This provides information not available with OBD ii code reading devices.
• This is a nice set that works as advertised.
• This is easy to use and easy to change out the bulb when it goes out.

Best For Lawn Mowers: Origlam Spark Strength Tester

Buy on Amazon

The original spark strength tester might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The original spark strength tester is made worth the money and has professional design. Make sure this fits by entering your model number. Also, the tester is easy to read the gap measurement.

The tester worked fine, it is idle and has a better design. Most importantly, the original spark strength tester makes for nice quality, It is secure and has a point design.

Most buyers quickly discovered that the tester is the only way to check the voltage of the spark on a coil accurately and inexpensively. Also, a few strongly agree that the tester should more check before the spark plug to see if the spark plug is getting the spark and to see how strong it is. Also, a few also found that the money this tool and easy to hang from a bungee while testing each coil and sparkplug cable. Overall, for most buyers, Origlam product was just what they wanted.

• This is of any help, please click helpful.
• This is your basic low - budget spark plug tester.
• This is constructed from the right materials.
• This is superior to the funky design of this tester.

Best For Super Cheap Price: Abn Spark Strength Tester

Buy on Amazon

Compared with other testers in this category, the Abn Spark Strength Tester has a convenient design. The abn spark strength tester is a family - owned company based out of South Dakota. Use abn 2 pack spark plug ignition tester for small engines and vehicles to quickly and easily diagnose ignition and engine issues and defects. The inline spark tester will mirror the spark by lighting up.

Most importantly, the abn spark strengthtester is secure, works fine and it is great for a great price.

Most buyers agree that the tester is a great tool to add to the arsenal. In addition, they say that the tester is made for a quick check for spark. Moreover, they also found that the tester is actually sold as a 2 pack. In conclusion, for almost all customers, it was what they were looking for.

• This makes no start diagnosis easy on any small engine.
• Ignition misfires can cause your engine to stumble or lose power.
• This is crafted with premium materials and it provides great value.
• This is built to last, works with your vehicles and it has light indication.

Best For Air Pressure: Thexton Spark Strength Tester

Buy on Amazon

Compared with other testers in this category, the Thexton Spark Strength Tester has a convenient design. The thexton spark strength tester allows for spark gap requirements from 0 to 40, 000 volts. Make sure this fits by entering your model number. Further, it is designed to worth every penny, It is made to be worth the money and has a unique design.

Finally, the thexton sparkstrength tester is very useful and has a great design.

Most buyers found that the tester is a great tool for small engines to check for spark. Furthermore, a few also found that the tester works great for the price. And, they strongly agree that the tester is easy to carry in the tool box.

• This has a good quality clasp for attaching to various contacts.
• This is quite accurate, it accomplishes its purpose and has a simple design.
• This is great for techs doing labscope work.
• This works with a truck or tractor.

Best For Testing Spark Plugs: Vxscan Spark Strength Tester

Buy on Amazon

Compared with other testers in this category, the Vxscan Spark Strength Tester has a convenient design. The vxscan spark strength tester is suitable for spark plugs of most 12v gasoline cars. Make sure this fits by entering your model number. 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.

Finally, the vxscan spark strength tester.

One customer says - "You can see the spark better in the dark. ". Almost all customers agree that the tester is perfectly and effectively. Additionally, it is very important to know if the plug is firing correctly.

• The Manufacturer says: We share the same passion for vehicles as you do.
• You can easily observe the spark plug test status when you operating.
• You can adjust it according to your needs.

Best For Spark Plug Inner Hole Diameter: Beley Spark Strength Tester

Buy on Amazon

Best part: Beley spark strength tester costs comparatively low and it is available to ship in 24 hours. The Beley spark strength tester is brand new, is idle, It is used for spark plug inner hole diameter and has a protection design. Make sure this fits by entering your model number. The spark plug tester is a high - voltage detector, so do not touch the spark plug with your hands at work to avoid danger.

Finally, the Beley Spark Strength Tester is built with premium material, It is worth the money and has a protective design.

As a result, buyers were very happy to recommend it to friends and families.

• This includes 1 * car spark plug tester, 1 * power adapter.
• 1.please turn off power before placing spark plug.
• This is made with high-quality materials and has an efficient design.
• Plug and play, economical & useful tool to save you valuable time and money.

Best For Output Power: Catudiy Spark Strength Tester

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tester. The Catudiy Spark Strength Tester is exactly that - it's a simple tester that hits all the right notes. The catudiy spark strengthtester is designed for high accuracy and it is made for output power. Do not plug or unplug the spark plug when the power is on, If you want to insert or remove it, you must first turn off the power. This car spark plug tester can also compare five holes at the same time, simulate the real speed, and display digital control, which improves the test accuracy and the work efficiency of maintenance personnel.

Lastly, the catudiy sparkstrength tester is great for ambient temperature and it is great for wide application.s.

They say that this adjustable holes spark tester kit can test 5 holes at the same time. highly efficient.

• Do not touch it with your hands to avoid harm to your body.
• One of the newcomers and featured product.

Best Better Design: X Autohaux Spark Strength Tester

Buy on Amazon

Next on the list, we've got yet another tester that manages to win our hearts. It's the X Autohaux Spark Strength Tester and it's widely considered as the tester that has the most suitable features. The x autohaux spark strength tester is a high voltage detector. Spark plug tester has two spark plug socket, You can compare and test to make an accurate judgment at the same time. The indicator light power will light up, the tester is now working at 1000rpm / min.

The tester is made of durable abs material, which has the characteristics of impact resistance and heat resistance. Lastly, the x autohaux spark strength tester is black and has a portable design.

• You can adjust the working frequency to the range of 0~6000rpm.
• New and hot releases.

Best For More Accurate Data: Duoyi Spark Strength Tester

Buy on Amazon

The Duoyi Spark Strength Tester's superior materials makes sure that it ages well with use. The duoyi spark strength tester has two spark plug socket, It can test two spark plugs (good spark plug & bad spark plug) at the same time. Make sure this fits by entering your model number. And, it has a wide adjustment range of working frequency.

Above all, the duoyi spark strength tester is great for protective cover protection, It allows for more accurate data and has a protective design.

One customer says - "It performs consistently, allowing you to definitely identify problem plugs. ". Most buyers find that the tester is best with spark plugs that are no longer made.

• This is a high voltage detector.
• Lot of satisfied buyers.

Best For Full Length: Dianrui Spark Strength Tester

Buy on Amazon

The Dianrui Spark Strength Tester is capable of outshining several other testers featured in this list in overall features for the price point. In addition, the probe spark tester adopts high - quality electroplated shaft, rust and corrosion resistance, rubber sheath, high - quality high - temperature wire and high - strength plastic protective cover, which can work in high and low temperature environment. Make sure this fits by entering your model number. Lastly, the dianrui spark strength tester is being sent, The indicator will flash.

• Good investment for the long term.
• One of the newcomers and featured product.