Ignition coils are an important component of your vehicle’s engine, responsible for converting the battery’s low voltage into the high voltage needed to ignite the fuel and power the engine. A faulty ignition coil can cause a range of problems, from difficulty starting the engine to misfires, reduced performance, and even engine damage. That’s why it’s important to have a reliable ignition coil tester on hand to help diagnose any issues with your vehicle’s ignition system. In this article, we’ll take a look at the top 5 best ignition coil testers on the market.

1. OTC 6589 Electronic Ignition Spark Tester The OTC 6589 Electronic Ignition Spark Tester is a versatile and reliable tool for testing the ignition system on a wide range of vehicles. It features a high-visibility LED display that makes it easy to see the spark even in bright daylight conditions. The tester also comes with a detachable cable and probe assembly, allowing you to reach ignition coils in hard-to-reach locations. Additionally, the OTC 6589 is designed to be compatible with most ignition systems, including conventional, electronic, and computer-controlled systems.
2. Innova 3630 Remote Starter Switch The Innova 3630 Remote Starter Switch is another versatile tool that can be used to diagnose a range of ignition system issues. It features a remote switch that allows you to start the engine from a safe distance, without having to get under the hood. The switch also includes a high-visibility LED indicator light that lets you know when the ignition system is working properly. Additionally, the Innova 3630 is easy to use and comes with a comprehensive instruction manual.
3. ABN Ignition Coil Tester The ABN Ignition Coil Tester is a compact and affordable option that’s perfect for DIY mechanics and car enthusiasts. It features a simple design that allows you to quickly and easily test the ignition coils on most vehicles. The tester also includes a built-in LED indicator light that lets you know when the ignition system is working properly. Additionally, the ABN Ignition Coil Tester is built to last, with a durable construction that can withstand daily use.
4. Actron CP7803 Vacuum and Fuel Pressure Tester The Actron CP7803 Vacuum and Fuel Pressure Tester is a comprehensive tool that can be used to diagnose a range of engine issues, including problems with the ignition system. It features a large, easy-to-read gauge that displays both vacuum and fuel pressure readings. Additionally, the tester includes a range of adapters and hoses that allow you to connect it to most engines. The Actron CP7803 is also built to last, with a sturdy construction that can withstand heavy use.
5. Thexton THE404 Spark Tester The Thexton THE404 Spark Tester is a simple and effective tool for testing the ignition system on most vehicles. It features a compact design that allows you to easily reach ignition coils in tight spaces. The tester also includes a high-visibility bulb that makes it easy to see the spark, even in low-light conditions. Additionally, the Thexton THE404 is easy to use and comes with a comprehensive instruction manual.

In conclusion, a reliable ignition coil tester is an essential tool for anyone who wants to diagnose and fix issues with their vehicle’s ignition system. The five options we’ve discussed above are all excellent choices, offering a range of features and capabilities to suit different needs and budgets. Whether you’re a professional mechanic or a DIY enthusiast, investing in a high-quality ignition coil tester is a smart choice that will save you time, money, and hassle in the long run.