More data to look at... using this as the array of points:point1 = arcpy.Point(-105.523164394,40.520164394)
arcPointArray.add(point1)
point2 = arcpy.Point(-105.520162394,40.520164394)
arcPointArray.add(point2)
point3 = arcpy.Point(-105.520164394,40.520164394)
arcPointArray.add(point3)
point4 = arcpy.Point(-105.520764394,40.520164394)
arcPointArray.add(point4)
point5 = arcpy.Point(-105.524164394,40.520164394)
arcPointArray.add(point5)
point6 = arcpy.Point(-105.520134394,40.520164394)
arcPointArray.add(point6)
I get this result:points in line: 6Create polylinepoint count: 5points after import: 5Point: x -105.523164394 y 40.520164394Point: x -105.520163394 y 40.520164394Point: x -105.520764394 y 40.520164394Point: x -105.524164394 y 40.520164394Point: x -105.520134394 y 40.520164394One point is missing, and it is point 3: -105.520164394, 40.520164394Why????