May be throttle plate stuck--with engine off try to "free" up with screwdriver
Once the engine warms up it should be in between 600-800 rpms.
Loud idle? no, not turn over ,yes
No it will not. It only controlls the idle of the engine.
car run good but has a little vibration idle or running
A bad camshaft can cause your engine to idle high and overheat. A fuel injector pump that needs to be adjusted can also cause the same problems.
how to adjust idle on 2001 legacy
Why does my 2001 kia sportage idle rough?
Yes if it is stuck open.
Could be a frozen throttle plate in throttle body - try to free with a screwdriver in throttle throat
Dirty or failed idle control valve or carbon deposits in the throttle body.
Check the alternator.