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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.
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.
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.
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
Product Usage:
1.Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2.
2.Connect to power supply.
3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min.
4.Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 6000rpm/min.
The higher the frequency, the stronger the spark strength.
Specification:
* Mold:spark plug tester
* Input: 100~240V AC
* Length of external: 1m
* Host size: 145*90*114mm
* power supply: Power Adapter
* Power Adapter: Output 12V 1A DC
* Suitable for 12V driven gasoline car spark plugs
* Usage: Test car spark plug performance and ignition intensity
Note:
1.Please Turn Off Power before you place spark plug.
2.The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger.
3.Support 12V Gasoline vehicles car spark plugs only.
Package included:
1 x Spark plug tester
1 x Power Adapter
On Apr 22, 2026 at 20:03:35 PDT, seller added the following information: