low idle

You have another problem. Don't touch the throttle stop screw, it's set at the factory and must not be adjusted, it's not an idle speed control. There's a procedure for setting it if it's been tampered with. I recommend finding a Honda expert to help you. If you want to find a specialist, here's a directory link for you: https://repairpal.com/honda-repair-in-mira-loma-california