Charles D Mesquite , TX July 21, 2020 Appliance: Bosch Gas Cooktop NGM5054UC/03 Low flame on one burner on Bosch gas cooktop defective holder. Replaced the holder and nut and it fixed the problem. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers, Socket Set, Wrench Set