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Khadgar · 03-01-2005

I would not expect any knock on a stock car but many things could be causing it, have you always been filling up with premium? I believe that the ecu uses the front O2 sensor to detect rich/lean so maybe it is possible that it is causing the knock if that is true but for some reason I doubt that just a bad sensor would cause knock on a stock car.

03-01-2005	#2
Khadgar Can't Actually Wrench Join Date: Oct 2003 Location: Inver Grove Heights, MN Posts: 464	Re: O2 sensor I would not expect any knock on a stock car but many things could be causing it, have you always been filling up with premium? I believe that the ecu uses the front O2 sensor to detect rich/lean so maybe it is possible that it is causing the knock if that is true but for some reason I doubt that just a bad sensor would cause knock on a stock car. Last edited by Khadgar; 03-01-2005 at 12:35 AM..