While you wait for answers, we may have found some information which could help you.
Click here for Weed Eater Gas
Will not run unless gas is sprayed in carb. why?
How fuel lines connect between the carburetor, priming bulb and fuel tank ?
replace fuel line ?
how can i make my weed eater start?
Where does the in-tank fuel filter go?
How can I fix my weedwacker?