Idle Problem

[Santeeford]

My idle has been jumping from 1100 to 1200. When sitting at idle the RPM will fluctuate. It runs good otherwise just jumps around. Any ideas?

 

[IMenriched]

My idle has been jumping from 1100 to 1200. When sitting at idle the RPM will fluctuate. It runs good otherwise just jumps around. Any ideas?

Seems abit high...Stick or Auto?
Have you cleaned the AIC?
check for vacuum leaks?