The Car Spark Plug Tester by AUTOOL is a reliable diagnostic tool designed for passenger vehicles. This 3-hole diagnostic detector allows you to analyze the ignition system of your car with a wide working frequency range of 200-9000RPM. The digital working frequency feature provides more precise adjustments, while the safety cover ensures your security during use. With the ability to simulate engine operating conditions and test three spark plugs at the same time, this ignition spark tester offers accurate performance testing for spark plug comparison. Backed by a 3-year warranty, this product is a valuable addition to any garage or workshop.
