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Review on Lisle 20700 Coil-on Plug Spark Tester: Enhance Spark Plugs Diagnostics with Ultimate Precision by Agustin Bush

Revainrating 5 out of 5

Loose screw. for ignition

As many have already noted. The screw is inserted loosely enough to allow the tip to wiggle side to side 1/8 inch. Why does the manufacturer keep releasing it with such poor tolerance? I assumed the other reviewers had just received an old batch. Be sloppy and keep it up. Very bad quality!

Pros
  • weight
Cons
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