starting extruding 3mm ABS at 15mm/s
This is not clear to me. Do you mean 15mm/s of the 3mm filament, or 15mm/s of the extruded plastic (900 mm/min? at which width and layer height?)

If the former, you are trying to extrude (1.5^2)*PI*15=106 mm3/s which is way too much for any hotend I know of.