Checked my front spark plugs today they looked pretty good except for the #1 spark plug, it had this black crud on it dont know exactly what it is or what this telling me. Anyone have this happen or know what this is from? Help?
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Checked my front spark plugs today they looked pretty good except for the #1 spark plug, it had this black crud on it dont know exactly what it is or what this telling me. Anyone have this happen or know what this is from? Help?
People could help if they could understand what your describing. Black crud on a spark plug isnt really that informative. Where is this black crud? is it on the outside? on the electrode? on the porcelion? is the crud dry or wet?
Or you can smell it...most of the time a blacked out plug means the car is running rich..or is fouled. Boomark this link...its probably one of the best plug pictures out there...period.
http://www.aa1car.com/library/reading_spark_plugs.jpg
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