The Best Hei Spark Tester Otc 6589 of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best Hei Spark Tester Otc 6589 of 2022. Check our ranking below.
2,734 Reviews Scanned
SaleRank No. #1
OTC 6589 Electronic Ignition Spark Tester white
- Simple, high quality tool designed to test high energy electronic ignition (HEI) systems
- Simply attach plug wire to end then use built in clip to attach to ground
- Tester will give you true spark performance results, helping you identify ignition anomalies that simply removing a plug and grounding it won't reveal
- For use on vehicles and power equipment equipped with a high energy ignition system
Rank No. #2
ANCEL SP02 Spark Plug Tester Automotive Engine Ignition Coil Tester Dual Holes 0 to 6000RPM Adjustable Working Frequency Car Spark Plug Gap Tool
- 【Test Two Spark Plugs at Once – Faster, Smarter Diagnosis】Why test one at a time? ANCEL SP02 dual-hole spark plug tester lets you compare two plugs side-by-side—instantly revealing weak sparks or misfires. Spot underperforming plugs in seconds and swap them out before they hurt engine performance. Whether you're a seasoned mechanic or a weekend DIYer, this tool helps you tune faster, fix smarter, and keep every cylinder firing strong
- 【Built to Last—Your Trusted On-the-Go Companion】Slow starts, weak acceleration, or high fuel use? Faulty spark plugs could be the cause. ANCEL SP02 spark plug tester is heat-resistant, impact-proof, and built for tough jobs. Lightweight and portable, it's perfect for quick diagnostics—whether you're in the garage, at the track, or on the go
- 【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
- 【Fits 99% of Gasoline Engines – One Tool, Endless Options】From cars to motorcycles, lawnmowers to boats—this spark plug tester works on nearly any 12V gasoline engine. Compatible with spark plugs of different heights and sizes, it takes the guesswork out of testing. Just plug and diagnose—fast, easy, accurate
- 【Test Safely, Every Time—We've Got You Covered】Built with your safety in mind, this spark plug and ignition coil tester features a transparent protective cover that keeps you shielded from accidental sparks while allowing full visibility of test results. Work with confidence, knowing you're protected—every time you test
SaleRank No. #3
Lisle 20610 Inline Spark Tester, One Size, Factory
- 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.
SaleRank No. #4
Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory
- Connect the tool between the spark plug and the plug wire
- The short wire is double ended to offer a straight boot and a 90-degree boot on one tool.
- With the engine running, the tool flashes a mirror image of the ignition spark.
- Quickly diagnose problems with all ignition systems
Rank No. #5
Ram-Pro Inline Spark Tester, Plug Engine Ignition 6-12 Volt Fool-Proof – Pick Up Coil/Armature Diagnostic Detector Tool for Automotive, Car, Lawnmower, Small & Big Internal/External Engines
- 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
Rank No. #6
Spurtar Spark Plug Tester, Double Hole Automotive Engine Ignition Coil Tester, 0-6000rpm with 12MM Diameter Spark Plug Hole, 110V with Protective Cover for 12V Gasoline Vehicles
- Dual-Hole Design: Spurtar Spark Plug Tester double-hole design enables simultaneous testing of two 10mm 12mm 14mm 16mm 18mm spark plugs, offering enhanced efficiency compared to traditional inline spark testers
- Wide RPM Range: The spark plug tester tool covers a broad RPM range from 0 to 6000rpm, ensuring compatibility with various engine types including motorcycles, and automobiles
- Wide Compatibility: 100V-240V input voltage ignition spark tester, suitable for use with most spark plug types and engine configurations for comprehensive measuring, reducing troubleshooting time and improving efficiency
- Easy Operation: The spark plugs tester starts using it after connecting the adapter. Can adjust the working frequency in the range of 0~6000rpm. Features both visual and audible indicators to confirm spark presence, helping quick and accurate analysis
- Cost-effective: Spurtar spark tester is ideal to test ignition system issues. Its multi-functional capabilities as a spark plug tester, ignition coil tester, and coil pack tester offering versatility for automotive diagnostics
SaleRank No. #7
(Upgraded SP02) ANCEL SP21 Spark Plug Tester, Dual Holes Test Spark Plug Tool, Car Motorcycle Engine Ignition Tester 0 to 6000RPM Spark Tester Socket with Mistake-Proof Design
- 【Must-Have Diagnostic Tool – Fix Hard Starts & Poor Performance】Slow starts, weak acceleration, or high fuel use? These could be signs of faulty spark plugs. ANCEL SP21 spark plug tester quickly checks spark plug firing quality to help you diagnose issues early and decide if replacement is needed—delivering faster, clearer results than traditional inline testers
- 【Dual-Port Design – Test Smarter, Replace Only What’s Needed】Why settle for one at a time? The dual-hole design lets you test and compare two spark plugs simultaneously. Instantly identify weak or failing plugs without guesswork. Save time, avoid replacing good plugs, and improve engine performance with smart, side-by-side diagnosis
- 【Simulates Real Engine Ignition – Adjustable Up to 6000 RPM】No complex setup—just insert the spark plug and turn the dial. ANCEL SP21 spark plug tester simulates actual ignition behavior and allows fine-tuned RPM adjustment (0–6000 RPM) for accurate performance checks. Tip: 2000 RPM is often sufficient for testing most spark behavior
- 【Test Safely with Clear Visibility】Built-in clear protective cover lets you safely monitor spark activity during testing. It shields you from accidental sparks while offering an unobstructed view of the spark intensity—ideal for both professionals and DIYers focused on safe and reliable diagnostics
- 【Works on Most 12V Gas Engines – Cars, Motorcycles & More】Compatible with all standard 12V gasoline engines and spark plugs with a 13mm insulator diameter. Perfect for cars, motorcycles, lawnmowers, ATVs, and small engines. Whether you're a weekend DIYer or a professional technician, this is a must-have tool in your diagnostic kit
SaleRank No. #8
IFYKIM 1 PCS Spark Plug Tester Adjustable Ignition Coil Circuit Tester Autos Diagnostic Test Tool Coil-on Spark Tester for Small Engines Car Lawnmower Chainsaw Motorcycle Alternators
- PRODUCT QUALITY: Our ignition coil test tool connector terminals are made of corrosion-resistant metal for superior conductivity and durability, ensuring current transfer and accurate test results
- MULTI-ENGINE COMPATIBILITY: The spark tester tool fits for small engines, such as cars, trucks, motorcycles, ATVs, lawnmowers, chainsaws, boats and other gasoline-powered equipment. Ideal tool for maintenance/diagnosis of ignition systems - can test the health of the ignition coil's circuit in a very short period of time
- ADJUSTABLE SPACING FUNCTION: Spark plug tester is designed with a spacing adjustment valve and an easy-to-turn round knob that allows for precise calibration of different engine models to avoid conditions such as misfires and burned ignition coils
- EASY TO USE AND READ: Simple to use, just insert the metal connector at one end into the spark plug wire bushing and the rubber coated alligator clip at the other end to secure it to the grounded portion of the engine, and take a reading through the high visibility white lettering on the small window on the tester - it is clearly visible when measuring the gap value from 0-40K to improve the accuracy of the test
- SAFE & STABLE TESTING: Ignition coil diagnostic tool recognizes weak or no spark, helping to diagnose ignition system misfires or starting difficulties. The ability to check the operation of the ignition system without the engine starting is not only the quickest way to test, but also minimizes the risk of accidents
Rank No. #9
Savildo Ignition Coil Tester Adjustable Spark Coil-on Tester Spark Plug Tester Coil-on Plug Ignition Spark Circuit Tester Autos Diagnostic Test Tool for Car Ignition Energy Automotive, White
- This adjustable spark coil-on tester is designed to determine coil voltages and high energy sparks from leaking.
- The ignition coil tester with high visibility white lettering,so it is easy to read the gap measurement from 0 to 40k .
- The spark plug tester can check spark without starting the engine,that is the quickest way to test for no-start conditions.
- The round knob provides easy gap adjustment,which can avoid fire,the ignition coil burned out and so on.
- This standard plug wire tip of the autos diagnostic tester can be unscrewed,which can be used on small engines and some motorcycles.
Rank No. #10
GRANDI Spark Plug Wire Ignition Coil Test Pen, High-Pressure Cylinder line Spark Plug Tester, High Voltage Ignition Tester, Engine Ignition System Diagnostic Tool, Uniersal for Cars (Multicolored)
- Function: This spark plug tester can be used for spark plug testing, high-voltage line testing, and ignition coil testing. It can directly determine whether the spark plug is working properly from the light indication of the test pen. Test spark plugs, spark plug wires and coils without piercing the wires.
- Product Details: The length of this car ignition test pen is 4.84 "/123 mm. The outer casing is made of ABS material, which is durable and has stable insulation to avoid shock. The LED light indication is always transparent and visible, and the indication status can be seen in dim environments.
- Excellent Design: The car ignition test pen can be used in both the ignition system and the circuit breaker. The grooved end makes the contact area between the wire and the instrument larger, and the high-brightness bulb makes the measurement results easier to observe.
- How to Operate: With the engine started, place the grooved end of the test pen on the spark plug wire. If the light bulb flashes, it means the spark plug wire is transmitting the spark plug signal.
- Easy to Carry: This testing tool adopts a pen clip design, which is mini and compact, easy to carry and can be clipped in your pocket. Great for mechanics, personal maintenance. It provides you with a convenient, time-saving, safe and reliable fault diagnosis method.
Last update on 2025-11-25 / Affiliate links / Images from Amazon Product Advertising API
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