Briggs u0026 Stratton Quantum Engine Carburetor Repair mower started then died immediately)
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SKIP TO 3:45 IF YOU JUST WANT THE SOLUTION, NO BACKSTORY.
Plugged gas ports in the nut which holds the carburetor's float cup. If you'd like to cut to the chase, so to speak, skip to 3:45 in the video. Hope this helps someone.