4A-GE MK1 Engine How do I know if my TVIS system is working?

4A-GE MK1 Engine, tvis, start, idle, awkward, rpms, high, working, clutch, time, 1200-1400, gage, temp, long, takes, idles, cold, pretty, possibly, 2000, normal, engagement, related, occasionally, hesitant, manually, ideas, thoughts, tweaking, 15-20, driven, 1000, minutes, ideally, decently, replaced, kicking, slow, intake, find, plugs/rotors/wires, 100%, vacuum, line, hear, cutting, bought, lower, system, passes

Just bought an 85 and it seems to run decently after I replaced every vacuum line I could find (even the ones under the TVIS intake) and the plugs/rotors/wires. But I