Remember, if a spark plug is fouling it's usually a result of engine side factors or incorrect heat range selection.
记住，如果火花塞结垢通常是因为发动机方面的问题或者温度范围选择不对。
Remember, if a spark plug is fouling it's usually a result of engine side factors or incorrect heat range selection.
记住，如果火花塞结垢通常是因为发动机方面的问题或者温度范围选择不对。
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