Very high idle. PLEASE HELP!!!

[lmfire]

Sorry about the Specs! wasnt thinking. Its a 2 door, M/T, odometer not working. PO said engine has about 50k on it, but who knows. engine does seem tight and very little leaking. 4WD
When you say block the IAC port are you taking bout inside the valve or in throttle body? The TB gaskets are the top two you have in the picture.