2006 Honda Civic After Check By Scan Tool Fond This 23 01 Engine Signal

2006 HONDA CIVIC
98,000 MILES
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after check by scan tool fond this(23-01 A problem with the engine signal circuit) bat what it means .
thanks
Nov 30, 2012 at 3:15 PM
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KHLOW2008
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This is not ODB-II code. Code 23 is a fault with the knock sensor.
Nov 30, 2012 at 3:29 PM
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