No start condition for 05 honda civic ex

I have an 05 Honda Civic EX that cranks over but does not start. I pulled the engine to rebuild it because there was a rod knock. I have all the electrical plugs plugged back in but there is one sensor on the same part of the wiring harness as the knock sensor and the cam positioning sensor that I’m not sure where it goes. I also had to get a new key made because I lost the original one.

Any help would be nice. Thanks in advance

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