How to clean spark plugs

Hello, First, ensure the fuel pump is pushing fluid to the engine, then check for fuel pressure at the engine, then move on to the ignition system. There are lots of videos online showing different methods of testing the ignition coil, so find one that you are comfortable with. 1993 should use spark plug wires and a distributor, so ensure your plug wires are in good condition as well. Cleaning spark plugs with a spark plug cleaning tool is best, but replacement is typically considered the remedy if the spark plugs are dirty. The tool is available cheaply at parts stores.