PS2 upgraded Big Boy lurching / surging

Knight007OGR Forum Member

I've noticed an odd issue with my PS2 upgraded Big Boy in that it seems to run fine except for intermittently jumping in speed for a second at random places around my track. The jump in speed is brief but very abrupt and risks breaking couplers on longer consists or possibly derailing the front wheels. This seems to happen more after first running the locomotive after a few weeks of sitting on the shelf and appears to work itself out after several minutes of running. I've cleaned the pickup rollers and oiled all the rods but it didn't seem to make much of a difference. Any insights would be welcome. Thanks!

3/20/2311:23 AM

Original Post

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