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![Started hearing a rattling noise every so often while driving. Is this onset rod knock or nothing to worry about? Started hearing a rattling noise every so often while driving. Is this onset rod knock or nothing to worry about?](https://external-preview.redd.it/TToCcojBiGzpuPnwWV906IVwyKoCQhGPHskCQNDccY8.png?width=640&crop=smart&format=pjpg&auto=webp&s=efd14544acbc0606b4d2b0f541f883b048d74bbd)
Started hearing a rattling noise every so often while driving. Is this onset rod knock or nothing to worry about?
![engine - Diagnosing rattling noise whilst car under acceleration - Motor Vehicle Maintenance & Repair Stack Exchange engine - Diagnosing rattling noise whilst car under acceleration - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/hcnJT.jpg)