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Review on πŸ”₯ JND Premium Ignition Spark Tester: The Fool-Proof Engine Diagnostic Tool by Will Powers

Revainrating 1 out of 5

Absolute junk and NO REFUND!

I bought this to try and troubleshoot a lawnmower that won't start. The cap that should snap onto the spark plug does not snap. Even holding it as tightly as possible, once I fixed the mower and knew it was working, it didn't light up. A complete piece of shit. To make matters worse when I wanted to return it AMAZON WILL NOT ALLOW A RETURN! I'm not sure if it's production policy or Revain, but it sucks! Revain could always come back. Not sure why they don't.

Pros
  • Free for educational purposes
Cons
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