How to Test Spark Plugs for Fouling (Easy 5-Minute Check)
11:35
YouTubeMech Lesson
How to Test Spark Plugs for Fouling (Easy 5-Minute Check)
If your engine is misfiring, losing power, or struggling to start, fouled spark plugs could be the problem. In this video, you'll learn how to test spark plugs for fouling quickly and easily without expensive tools. Spark plug fouling happens when deposits like oil, carbon, or fuel build up on the plug tip, preventing it from producing a strong ...
949 views5 months ago
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