Had a little trouble for the first time ever today with the saw. Seemed to be bogging down, rough to start, etc. Air filter was dirty and so was the plug, all good and started right up. Now it wont shut down, had to flood it to shut it off. Think what happened was that I did not have the switch all the way down in the cold start position before removing the cover and popped something out off place. Seems to be a small issue but cant figure it out.