Ever since I swapped out my H23 for the F22B after the H23 took a ****, I've constantly had the CYP code on my ECU, can't seem to get rid of it. I have come up with 2 options

1.) Bad ECU
2.) Short in Distributor wiring

Anyone else have any suggestions

1992 Honda Prelude Si, MT

Solid Check engine light on startup til shutdown for the past 2 years