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Ignition Coil Tester, Car Electronic Faults Detector
Automotive Spark Tester and Voltage Pen with LED Display MST-101
The MST-101 detector is using advanced technology from Germany, it can collect and analyze signals under non-dismantle automotive electrical parts. Testing results are showed by LED indicator and beeper.
- Advanced Technology
- Use Friendly
- Long-lasting
- High Applicability
Coil/Traditional Coil
Generators, within the UnitedNations,combining the fan motol, heating and cooling water valve
MAITRISER valve, injector,according to the plug-in fuelpower, sensor transfer effect lobby
Ignition Coil- Not Work
Ignition Coil- Work
Generator- Not Work
Generator- Work
Ronny Acosta
2025-08-31 17:56:50
The last one I had advertised it would be simple and easy to use, it never was and it stopped after using it for about a week. This one has lasted me almost 2 months. Compared to my old one, this one actually is a lot easier to use. Not only did I not have to buy anything extra but this came with batteries that are still working. I use this at work almost daily, depending on my day, but even with the almost daily use for a couple of months now, the batteries are still working and I haven't had to replace them. To use, I simply turn it on, touch whatever I need to test and it will either turn on when working or not when its not working. Another helpful part, the light that's on this. Its super bright and allows me to see in tight spaces without having to have another tool or light.
Steven E.
2025-08-14 15:51:42
WORKS GREAT, SAVES SOME TIME DIAGNOSING FOR SURE
Steve
2025-06-23 20:23:11
Simple device like a non-contact AC detector. This senses magnetic/electric pulses so it works on coils, sparks plugs and relays. It also says it works to find other faults like a broken wire, but I can't find any other electronics under the hood that it works on even in the more sensitive setting. I got it to work on coils and on a relay when it was switching but nothing else. I was hoping for something that would read power going through wires to determine if there is power and possibly help find a break. It does work well for the other "high powered" items so for that it will be useful.
P A Stuck
2025-05-30 20:20:50
Good tool for testing coil on plug ignition
Robert Smith
2025-05-09 12:00:58
Did not meet my expectations
Naoya Nishimura
2025-02-26 16:21:23
There is not much of a instructions on "how to" with this test equipment. Im just going by the pulsating light and the beeping noise to confirm that that part I have the pen on is working. For stuff like ignition coils, plug wires, and plugs, its a no brainer. You hear the beep and the flashing led when its working. I can also see if the relays are working but I think its only testing the windings in the relay. So if the contacts on the relay are where the fault is, I suspect that windings would be fine so this pen will still beep claiming that its working. Any type of solenoid should also be able to test with this unit assuming that the windings are at fault. I can see that this unit can go off if two or more items that are working are in a close proximity of the pen. You will have to just touch the object in question to get the best possible outcome. This pen also has the ability to trace the line if there are breaks somewhere. I haven't performed this operation so I don't have any test cases to verify this. I agree that this pen is small and easy to move around for testing. But there are other testers out there that can give accurate values instead of beeps and flasing lights so it will come down to what you need at the end to get a good diagnosis.
mike
2025-01-17 12:40:45
Helped me diagnosis a bad fuel injector.
Malibu Shary
2024-12-19 14:23:01
The media could not be loaded.
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