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The knock sensor frequency, and thus, its operation, is affected by the bore of the cylinder. From what I can tell, each ECU's knock board is also dialed in to specific characteristics of the engine, to filter out engine noise from knock..

using a knock board with an engine other than it was designed for may not be very effective..

Parents: ECUHardware Mods Revision: r1.1 - 26 Jan 2006 - 05:12 GMT - synoptic { Edit | Attach | History | More }
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