Troy Bilt Backpack Leaf Blower Troubleshooting. Three common reasons for this are: When you leave the fuel in the leaf blower for long period of time, without using it, some ingredients of the fuel may evaporate, leaving behind a sticky liquid.

Air filters are inexpensive and easy to. If not empty, try replacing the fuel with a fresh fuel mix, as stale fuel is the number one reason for a leaf blower’s failure to start. At best, it will run at half throttle, but never at peak rpm.