Learn how to read your engine’s health simply by checking the color of your spark plugs. In this video, I break down what each spark plug color means—healthy tan, oily black, sooty black, and especially white spark plugs, which often signal dangerous lean conditions. You’ll learn: How spark plug color reveals engine performance What white spark plugs really mean Common causes of lean spark plugs How to diagnose fuel, air, vacuum, and timing problems What you should check first before replacing p
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Learn how to read your engine’s health simply by checking the col…
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very hard to pull with spark plug in, normal with it removed. it has spark and compression feels alright but it won't start no matter how hard I pull. (new post because I didn't like the video from previous one)
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very hard to pull with spark plug in, normal with it removed. it has spa…
Dec 6, 2022
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Read your spark plug 👇 Spark plugs are small components, but they provide valuable clues about what is happening inside your engine. By examining the color and condition of the spark plug tip, technicians can quickly diagnose several engine problems. A normal spark plug will usually have a light brown or grey color. This indicates proper combustion and a balanced air–fuel mixture, meaning the engine is running efficiently. If the spark plug appears wet and oily, it often indicates oil burning i
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