Spark Plugs – Mechanical Damage

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May be caused by a foreign object that has accidentally entered the combustion chamber. When this condition is discovered, check the other cylinders to prevent a recurrence, since it is possible for a small object to “travel” from one cylinder to another where a large degree of valve overlap exists. This condition may also be due to improper reach spark plugs that permit the piston to touch or collide with the firing end.



More information On Basic Car Maintenance CD Rom
Information supplied by Champion Sparkplugs ©2009


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