Vrttlkkfe Car Spark Plug Tester Ignition Tester Automotive Diagnostic Tool Auto Double Hole Analyzer Truck

Applicable range: Spark plug for gasoline cars Vehicle Spark Plug Testing Principle: Dual Hawker Spark Plug Tester Detector has two test holes that allow you to test two spark plugs in between them. If you think the spark plug doesn't work properly, you compare it and test it to make an accurate decision Usage: Test spark plug performance and ignition strength In the automotive ignition system, the high voltage ignition coil produces a high voltage (over 1000 volts) and the spark plug bypasses it from the high pressure ignition coil to the cylinder engine, and the spark between the spark plug electrodes ignite the mixture. The detector distinguish good spark plugs and bad spark plugs by the strength of the spark

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