I have engines that are occasionally going wobbly on me. I'll start a scenario on my Cimarron & Pacific route (tight curves in yards and mainlines) and my engine tilts wildly through a curve, even at 1 or 2 mph. I then save, exit, resume, and the engine stays on the track perfectly through the same curves.
Anyone know the reason why this happens sometimes, and if there is a way to avoid it? I can't relay all the track, especially in the yards, and I don't even think the tightness of the curves is the problem, else it would always happen.