My car idle bounces from 1100-19000 rpms. When i take off the clip off the sensor on the back of the intake manifold it gets better but it idles at a consistent 1500 rpm with a little jumping action but just enough to hear it. What could this be, is it just the sensor you think or is it somethin else, its been doing it ever since a few days after i put my stock cams back in...... let me know thanks

 

What other mods do you have? Did you reset your ECU? Did you readjust everything?

 

sounds like IAC valve