The reluctor may be of poor quality (or vibration related ignition firing scatter) such that most or all other cylinders are firing late.

If you have a damper with marks all the way around (or 360 degree timing tape) you can see how all the other cyliders compare. If not, at least look at #6 and see how it compares to #1. Number 1 and 6 line up at same point on damper since #6 is half way thru firing order.