Hello Scotty:
My son in law has a scion XB 1.5 engine . It blows coils all the time for no reason that is apparent. Changed plugs still does it. It has 195000 miles.

if you mean it blows them off, then spark plugs are not sealing in the head threads. If you mean they burn out, make sure the engine is grounded correctly

Thanks so much Scotty must have burned out 5 coils since 2016. We will have to look at that.