Weed Eater Stalls When Given Throttle - Running it wide open causes it get red hot. It melted part of the inside of the plastic engine cover during my last use, which lead to fear of it catching fire. The weed eater starts. Why does my weed eater only run on full choke? (the short answer) the main reason why a weedeater only runs on full choke is because of issues with the air and fuel. Unit have a new carb, air filter, fuel filter, spark plug and the exhaust and fuel lines have been cleaned. I have a ryobi 4 cycle weed trimmer. This could be the possible reason behind the weed eater stall after being given its throttle. The solution is pretty simple. Just remove the fuel filter from the fuel tank,.
Running it wide open causes it get red hot. It melted part of the inside of the plastic engine cover during my last use, which lead to fear of it catching fire. The weed eater starts. Why does my weed eater only run on full choke? (the short answer) the main reason why a weedeater only runs on full choke is because of issues with the air and fuel.