You can use a multimeter to test the resistance to be sure. Q: How Can You Tell if a Spark Plug Is Firing? A: The grounding test is performed to determine if a plug is firing. You want to watch ...
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How To Test BMW Spark Plugs or Coils On ANY BMW Model (1995+)In this video, I’ll show you exactly how to test your BMW spark plugs, ignition coils, and coil wiring without needing a multimeter—just using the kit provided. Whether it’s a misfire ...
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