The tester simulates the ignition process, checking whether the spark plug can produce a sufficient spark to ignite the air-fuel mixture. By observing the intensity and frequency of the spark, the tester evaluates the performance of the spark plug.
The AUTOOL SPT105 Spark Plug Tester is the ultimate tool for diagnosing and optimizing your vehicle's ignition system. The tester simulates the ignition process, checking whether the spark plug can produce a sufficient spark to ignite the air-fuel mixture.
Why You Need the 12V Spark Plug Tester Dual Hole Diagnostic Tool Gasoline Car Ignition Analyzer？. The tester simulates the ignition process, checking whether the spark plug can produce a sufficient spark to ignite the air-fuel mixture.