Have a craftsman 5.5 hp snowblower when it is in the garage running and you put the auger on you can see the govenor arm move some so that makes me think the govenor is working but you go and blow snow it wants to just kill the motor. This unit is only about 4 or 5 years old. If you blow snow in 1st gear and go super slow you can keep it going if you try in 2nd or higher it just kills the motor... any ideas what to check?? Thanks..