Motor was dying when I throttled past about 1/3 of the range, so I replaced tank, line, primer bulb and connections on both ends of line. Posted last week (called "Fast Idle Problem") because still had the same problem after those fixes. I got one reply that said to clean the carb....so I did that. Thought that would take care of the problem because there was a lot of buildup in the jets. Today it started up first pull, ran well for a minute or so, then died. I noticed that if I choke the engine, it will fire once, then unchoke it and it will start up no problem. If I turn the throttle at all it dies. Could there be a problem with the engine getting too much fuel? Any advice?