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2023 Ford Bronco — buzzing noise only at one engine RPM

TrailCamper931Community StarterNov 29, 20252023 Ford Bronco BadlandsFlorida
2023 Ford Bronco Badlands, about 45,000 miles. There is a light buzz from the dash at one narrow RPM range. It disappears above and below that speed. Any good method for locating trim resonance without randomly adding foam everywhere?
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3 replies

WrenchRoadie234Community StarterCommunity StarterNov 30, 2025permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2023 Ford Bronco, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. This is from a 2023 Ford Bronco in Florida with 45,000 miles. Write the result down so the next test isn't a repeat of the last one. If the story changes I'll post the new data.
ColdStartCollector239Community StarterCommunity StarterNov 30, 2025permalink
Write down what you already tried. A second data point from another 2023 Ford Bronco owner helps more than a generic diagnosis. That's where I'd start. When does it actually happen? Might be overthinking it, but I'd rather overthink than overspend.
ColdStartCollector239Community StarterCommunity StarterNov 30, 2025permalink
Yes, with one caveat: A second data point from another 2023 Ford Bronco owner helps more than a generic diagnosis. I'd do that before spending real money. Any freeze-frame data saved? Might be overthinking it, but I'd rather overthink than overspend.
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