Quote Originally Posted by senseamidmadness View Post
Look closely at the coil you took out -- sometimes, with age, the outer plastic case splits from the epoxy fill on the inside and exposes it to atmosphere. Corrosion then causes all sorts of issues. Replacing it with a used one is a totally fine way to go as long as the used one is intact.
The one I took out "looked" fine , no cracks, but the issue disappeared when the coil was replaced. fingers still crossed.