Spark plug with black deposits being removed from an engine with…

Hand holding a dirty socket wrench part with a three-pronged interior Socket wrench held in hand, showing internal mechanism, with engine components in background Hand holding a dirty spark plug removed with a socket wrench from an engine Hand holding a used spark plug with visible wear and carbon buildup. Engine components are blurred in the back Hand holding a socket wrench over an engine bay with hoses and wires visible Hand holding a used spark plug with a damaged electrode, with engine components blurred in the background hand holding a socket wrench and a socket, with engine hoses in the background Spark plug with black deposits being removed from an engine with a socket wrench Hand holding a cigarette lighter with a metal pronged insert Hand holding a dirty spark plug with visible numbers on the side Hand holding a spark plug socket with a three-pronged insert, engine bay in background Hand holding a dirty spark plug removed from an engine bay with visible wiring and engine components Hand holding a spark plug removed with a socket wrench, engine bay in background Hand holding a used spark plug with blackened electrodes, engine bay in background Hand holding a dirty spark plug with a socket wrench below it, engine bay in background Six used spark plugs in a row on wood, showing fouled electrodes and white insulators 65photos in this albumView all