I know that may sound naïve, but what do I need to do? Change the spark plugs? What else? I know there is a computer program I can hook up, but there aren't any local, does anyone know how I could obtain one?
What else should I do? TIA
What else should I do? TIA


![[-]](https://www.tiaraownersclub.com/forum/images/netpen-pro/collapse.png)