A4 back on the road

[Phil Payne]

> It was definitely the center electrode of cylinder 1 that came apart and
> traveled through the cylinders, we found the electrode in cylinder 4
> with
> similar marks in all 4 cylinders, 1 and 4 being the worst as it appears
> that
> the piece stayed in those cylinders the longest.

Like I say, I've seen debris wander between cylinders several times.  At least you found
yours.

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803