check engine light

Problem with my S650. Two days ago I installed the K&N intake, and after hard acceleration, I got a check engine light. I've already checked the connectors and looked for air leaks, but everything seems fine. Any ideas?

Bought my ‘24 GT just a few days ago, and on my second day of ownership at about 100mi the CEL popped up. Turns out all of my oxygen sensors were dead. The service guy was helpful in running the codes and showing that air/fuel ratio was stuck at 14. It’s been at the shop for 2 days awaiting new...