Assertion: spark plug | /r/HasProperty | fouled
Facets:
Source sentences:
text: To tell if the spark plug is fouled or worn out, the mechanic will look for signs of oil and buildup on the spark plug.
text: A: A spark plug is considered fouled when the insulator nose at the firing tip becomes coated with a foreign substance such as fuel, oil or carbon.
text: If one spark plug is fouled while others look normal, it means that the problem exists only in that cylinder.
text: Fuel, oil and carbon fouling can all be the result of different causes but, once a spark plug is fouled, it will not provide adequate voltage to the firing tip and that cylinder will not fire properly.
text: Therefore, it is recommended that a plug be replaced once it is fouled.