After removing and replacing the fuel cap the engine again starts and runs normally.
Weed eater gas cap vent.
Inside the cap is a rubber seal which can get lost at a refueling stop causing gas to start leaking.
The vented gas cap has a one way release valve that is pressure activated.
The vented gas cap is designed to vent small amounts of air into the car gas tank line.
Puncture holes can also come from flying rocks from the cutting head or if you dropped the trimmer against a sharp object.
Then stops after another 5.
This article will help you make sense of replacing the fuel tank vent on an echo trimmer.
Clean the fuel tank and engine with soap water and a rag to help you better determine the source of your leak.
If your motor runs for a few moment and then dies but starts back up this tip may be for you.
Fixing things makes sense.