6 Symptoms of a Bad Spark Plug Keep an eye on these Failing Signs when to replace it

Symptoms of a bad spark plug failing,
Spark plugs problem and explained,
Spark plugs have oil on them,
Spark plugs not firing and no spark,
Spark plugs keep fouling,
Spark plugs keep burning out,
Spark plugs running rich,
Spark plugs running lean,
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Note: this is part 2 a remake with more content

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