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After changing everything on my cheap jaguar that I got as a hobbycar from radiator to manifold gaskets and thinking I was finally able to enjoy my jag, I suddenly get a P0330 code which means Knock Sensor 2 Circuit Malfunction (Bank 2). The problem is that I never saw any such sensors while I was working on it and now when I look back at the pictures, I still don’t see it. Has anyone here ever replaced them before? I also don’t drive as much as I used to anymore, is it possible the ECM is throwing that code because of a weak battery?
Please see this (unresolved) thread on a slightly different code. It details the location of the two knock sensors and some possible confusion about which one is which: