The foam on the PCV hoses and valve are used as insulation to prevent any moisture from freezing since condensation will some times develop. Usually from short trips. If you don’t live in a cold climate then the foam is not really necessary.
I have the same build month 06/05 and had the same problem last year, got the denso 550-0191 and couldn’t get it to sync. Ended up getting a factory unit on amazon 42607-33011 and it worked great. I also noticed that it had pmv-107j which is the same marking as the denso 550-0103. This year I...