What should I do if my spark plugs are not working?
What should I do if my spark plugs are not working? Turn the ignition key on but don't crank the engine. This will turn power on to the electrical components of your ignition system. This allows you to test which parts and wires are getting the current that they need to operate. Locate the ignition coil. This part is responsible for generating the high voltages needed to fire your spark plugs. How to know if your engine has no spark? First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay....