What is the purpose of gapping spark plugs?
Spark plugs have a center and side electrode that fire a spark, which ignites a fuel/air mixture and causes combustion in your vehicle engine and drives it forward. Setting the spark plug gap properly is necessary to ensure the most efficient operation of your engine.DefinitionThe gap between the center and side electrode of a spark plug must be a certain distance, or “gap,” in order for the engine to perform at its optimum level.IdentificationMost owners manuals provide the gap that is required on a particular engine’s spark plugs. The specification is often given in thousandths of an inch.Gap MeasurementYou may purchase a feeler gauge that provide blades of various thicknesses.
