peter was being sarcastic, the fact your car started

(I.e the starter motor engaged on the flywheel and turned the engine over)

indicates there are no issues with it.

a low/rough idle is likely to be IACV related, although it's impossible to diagnose problems with peoples cars based on basic descriptions given over the internet.

If you're not confident diagnosing it then ask someone

"in the know" to take a look or take it to a competent mechanic
EX MR2 owner, currently on a

'00 Honda CBR600 Follow me on Instagram

@c35rob