My knock sector is showing up when diagnostics test done then other codes 2,3,4.

When you say "codes 2, 3, 4", do you mean misfire codes P0302, P0303, P0304? Not understanding. If you have diagnostic trouble codes present, it's best to troubleshoot those first, as they are likely set due to the symptoms causing your shaking and vibration if related to engine performance. It sounds like there are multiple issues here.