Read more: The Better Choice between Denso vs NGK What Is the Spark Plug Color Telling You? Check the sparks. The color of the sparks can tell you whether the plugs are working or not. Remove a spark plug but keep plugged to the cable and ground it on the frame. Now, start the eng...
A spark plug is very important in apetrol enginewhen it comes to igniting the charge in the combustion chamber. As the name suggests, the spark plug creates a spark that burns theair-fuel mixture. It consists of a center electrode, a ground electrode, an insulator, and a shell/body.Ignit...