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Knock decibel?

EFI Tuning Fundamentals

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Hey is there a specific decibel or frequency for this knock? And could it detect engine bearing knock sounds?

Thanks

Hello, every type of knock sensor works in a hz (frequency) this data can normally be found in ecu help files like Link, Motec, Haltech, I always use it to listen for engine noises like bearings failing while tuning using Link knock,

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