This is also a problem that irritates a lot most weed-eater users. The problem might be in the recoil mechanism that needs to be fixed. In some cases, the stuck cord might be free by pulling it some extra effort. Solution: First you have to access the recoil assembly that is not easy because you have to disassemble the whole engine housing to access this part. After successful disassembly, check if the spring is broken or not because in most cases a broken spring doesn't allow to pull the cord. Simply change it and the problem will be solved.